- g this ratio: adjacent/hypotenuse. In the figure, you see that the cosines of the two angles are as follows
- cos adjacent / hypotenuse cos θ = sin ( π 2 − θ ) = 1 sec θ {\displaystyle \cos \theta =\sin \left({\frac {\pi }{2}}-\theta \right)={\frac {1}{\sec \theta }}\,
- Pythagorean Theorem states that in a right angled triangle, square of hypotenuse equals sum of squares of two arms. The trigonometric ratios are defined for right angled triangles. The relationships between trigonometric ratios per Pythagorean theorem are called Pythagorean Trigonometric Identities. sin2θ+cos2θ=1sin2θ+cos2θ=
- In geometry, a hypotenuse is the longest side of a right-angled triangle, the side opposite the right angle. The length of the hypotenuse of a right triangle can be found using the Pythagorean theorem, which states that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the other two sides. For example, if one of the other sides has a length of 3 and the other has a length of 4, then their squares add up to 25. The length of the hypotenuse.
- We obtain the value of cos 25° by using the cos button on the calculator, followed by 25. This gives us: hypotenuse = 5.516889595 cm. So the length of YZ is 5.52 cm (to two decimal places)
- A hypotenuse is the longest side of a right triangle. It's the side that is opposite to the right angle (90°). Hypotenuse length may be found, for example, from the Pythagorean theorem. Hypotenuse of a triangle formul

Right Triangle. Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the functions, it helps to give a name to each side of a right triangle: Opposite is opposite to the angle θ. Adjacent is adjacent (next to) to the angle θ. Hypotenuse is the long one * It has been a couple of years since math class, but I'm trying to find the hypotenuse of a right angle triangle*. The adjacent length is $6$ cm and $\theta$ is $15$ degrees. How do I work this out? So far, I've tried using $\cos() \cdot 6 =$ hypotenuse. However, every time I press equals it seems to give a new answer cos(α) = Dans un triangle rectangle, le sinus d'un angle est égal au rapport du coté opposé sur l'hypoténuse. hypoténuse coté opposé sin(α) Right angle triangle is type of triangle in which one angle is 90. Before start to discuss about the main topic sin cos and tang we have to touch the basic of Right angle triangle. In right angle triangle hypotenuse is the longest side opposite to the right angle. and perpendicular is the side of angle 90. Sine Cosine and Tangen Verhältnis von Ankathete zu Hypotenuse: \[\cos \alpha = \frac{\text{Ankathete}}{\text{Hypotenuse}} = \frac{b}{c}\] Im rechtwinkligen Dreieck können wir nur zeigen, dass der Cosinus für Winkel zwischen 0° und 90° definiert ist. Um diese Definition zu erweitern, betrachten wir den Cosinus im Einheitskreis

The Cosine function ( cos(x) ) The cosine is a trigonometric function of an angle, usually defined for acute angles within a right-angled triangle as the ratio of the length of the adjacent side to the hypotenuse. It is the complement to the sine Note that the three identities above all involve squaring and the number 1.You can see the Pythagorean-Thereom relationship clearly if you consider the unit circle, where the angle is t, the opposite side is sin(t) = y, the adjacent side is cos(t) = x, and the hypotenuse is 1.. We have additional identities related to the functional status of the trig ratios where c is the length of the hypotenuse, and a and b are the lengths of the other two sides. What is Pythagorean Theorem? The Pythagorean Theorem states: In any right triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle) Basic Trig Identities. The basic trig identities or fundamental trigonometric identities are actually those trigonometric functions which are true each time for variables.So, these trig identities portray certain functions of at least one angle (it could be more angles). It is identified with a unit circle where the connection between the lines and angles in a Cartesian plane

We are given the hypotenuse and need to find the adjacent side. This formula which connects these three is: cos(angle) = adjacent / hypotenuse therefore, cos60 = x / 13 therefore, x = 13 × cos60 = 6.5 therefore the length of side x is 6.5cm. This video will explain how the formulas work. The Graphs of Sin, Cos and Tan - (HIGHER TIER Cos (q) = Adjacent / Hypotenuse Tan (q) = Opposite / Adjacent Select what (angle / sides) you want to calculate, then enter the values in the respective rows and click calculate. If you want to calculate hypotenuse enter the values for other sides and angle

and the longest side is the Hypotenuse. Now, for the side we already know and the side we are trying to find, we use the first letters of their names and the phrase SOHCAHTOA to decide which function: SOH... S ine: sin (θ) = O pposite / H ypotenuse.CAH... C osine: cos (θ) = A djacent / H ypotenuse.TOA Cos [x] then gives the horizontal coordinate of the arc endpoint. The equivalent schoolbook definition of the cosine of an angle in a right triangle is the ratio of the length of the leg adjacent to to the length of the hypotenuse. Cos automatically evaluates to exact values when its argument is a simple rational multiple of Cos of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse. From the above diagram, the cos function will be derived as follows. Cos a = Adjacent/Hypotenuse = AB/C Ankathete - Gegenkathete - Hypotenuse - so geht das! (sin, cos, tan..) | Lehrerschmidt - YouTube. Ankathete - Gegenkathete - Hypotenuse - so geht das! (sin, cos, tan..) | Lehrerschmidt. Watch. The hypotenuse is a number that represents a distance, i.e. the norm of a vector. Distances are always positive. That said, the figures are a bit misleading, because the green numbers have two different meanings: for the legs of the triangle, they represent the x- or y-coordinate, while for the longest side, they represent its actual length a.k.a. the hypotenuse

If we have a right triangle where cosa = 5 13, this means that the adjacent side is 5 and the hypotenuse is 13. With the Pythagorean Theorem, we find that the opposite side is 12 sin(θ) and cos(θ) One way to remember is to refer to the fact that sin(θ) and cosin(θ) are always less than or equal to 1. Since we know that hypotenuse side is always longer than the opposite side and the adjacent side, we know that hypotenuses is always the denominator (at the bottom), thus the remaining side is the numerator (on the top) In diesem Abschnitt zur Trigonometrie zeigen wir euch, wir ihr mit Sinus, Cosinus / Kosinus und Tangens Winkel berechnen könnt. Dabei lernt ihr Begriffe wie Ankathete, Gegenkathete und Hypotenuse kennen. Neben Erklärungen und Beispielen findet ihr zu dem auch Übungsaufgaben, um mit den Inhalten selbst besser zurecht zu kommen Cos, Sin och Tan. Hej! Hej har fastnat på denna uppgiften: I en likbent triangel är en av de lika sidorna 2,1 gånger längre än base. Beräkna triangelns vinklar. Tack på förhand! Senast redigerat av sprite111 (2013-05-11 13:35 * Rechtwinklige Dreiecke, sin, cos, tan, Hypotenuse, An-/Gegenkathete | Mathe by Daniel Jung*. Watch later

Cos x is the ratio of the adjacent side to the hypotenuse. cos x = (adjacent) / (hypotenuse) = a / c; Tan x is the opposite side to the adjacent side. tan x = (opposite) / (adjacent) = b / a; If you do (b / c) / (a / c), you will get b/a which is tan x. So tan x can be expressed as the ratio of sin to cos. tan x = sin x / cos x. Cosec x is the. Sine or sin θ = Side opposite to θ / Hypotenuse Cosines or cos θ = Adjacent side to θ / Hypotenuse Tangent or tan θ =Side opposite to θ / Adjacent side to θ; 0°, 30°, 45°, 60°, and 90° are called the standard angles in trigonometry. Challenging Questions. What will be the trigonometric values of negative angles Cos a = Adjacent/Hypotenuse = AB/CA. The tan function formula is defined as the ratio of the length of the opposite side of the right-angled triangle to that of the adjacent side. The student should note that the tan function can be exhibited in terms of sine and cos as their ratio The hypotenuse is the longest side of the triangle, and it's also very easy to find using a couple of different methods. This article will teach you how to find the length of the hypotenuse using the Pythagorean theorem when you know the length of the other two sides of the triangle

- This is a KS3 lesson on using the cosine function to find the adjacent. It is for students from Year 8 who are preparing for GCSE. This page includes a lesson covering 'Using the cosine function to find the adjacent' as well as a 15-question worksheet, which is printable, editable and sendable
- Trigonometry Formulas: Trigonometry is the branch of mathematics that deals with the relationship between the sides and angles of a triangle. There are many interesting applications of Trigonometry that one can try out in their day-to-day lives. For example, if you are on the terrace of a tall building of known height and you see a post box on the other side of the road, you can easily.
- Definitions General. The cosine function, in modern notation written as cos(x), is a trigonometric function. Trigonometric functions are commonly established as functions of angle, in the context of right triangle geometry
- The Math.cos() method returns a numeric value between -1 and 1, which represents the cosine of the angle.. Because cos() is a static method of Math, you always use it as Math.cos(), rather than as a method of a Math object you created (Math is not a constructor)
- Hypotenusen ligger altid over for den rette vinkel i trekanten. Længden af hypotenusen kan beregnes ud fra de to kateter med Pythagoras sætning. Pythagoras' sætning siger: c er hypotenusen, og a og b er de to kateter. Pythagoras sætning giver os forholdet mellem de tre sider i en trekant og er sand for alle retvinklede trekanter

The Hypotenuse Calculator makes it easy to find the length of any hypotenuse. All you have to do to use this free online Hypotenuse Calculator is to just enter in the length of side 1 and side 2 and then press the calculate button - that's it! Try out this super easy to use math calculator now In der Geometrie ist eine Hypotenuse die längste Seite eines rechtwinkligen Dreiecks, das ist stets die dem rechten Winkel gegenüberliegende Seite. Die Länge der Hypotenuse eines rechtwinkligen Dreiecks kann mit dem Satz von Pythagoras ermittelt werden, der besagt, dass das Quadrat der Länge der Hypotenuse gleich der Summe der Quadrate der Längen der beiden anderen Seiten ist Cosine. Cosine, written as cos(θ), is one of the six fundamental trigonometric functions.. Cosine definitions. There are two main ways in which trigonometric functions are typically discussed: in terms of right triangles and in terms of the unit circle.The right-angled triangle definition of trigonometric functions is most often how they are introduced, followed by their definitions in. Cos A = Base/Hypotenuse Tan A = Perpendicular/Base. Q5: How do I memorize maths trigonometry formulas? Ans: Our academic experts advise you not to memorize these trigonometry formulas. The more you try to learn consciously, the more is the chance that you are going to forget it

- cos theta = adjacent/hypotenuse: TOA: tan is opposite over adjacent: tan theta = opposite over adjacent . For example, if we want to recall the definition of the sine, we reference SOH since sine starts with the letter S. The O and the H help us to remember that sine is opposite over hypotenuse
- The function
**Cos**calculates the cosine for an angle that is specified as a real number. The**Cos**function for calculating a complex number can be found here. Input The angle is given in degrees (full circle = 360 °) or radians (full circle = 2 · π). The unit of measure used is set to degrees or radians in the pull-down menu - Hypotenuse 2. cos = Adjacent Hypotenuse 3. tan = Opposite Adjacent 4. csc = 1 sin = Hypotenuse Opposite 5. sec = 1 cos = Hypotenuse Adjacent 6. cot = 1 tan = Adjacent Opposite Reduction Formulas 7. sin( x) = sin(x) 8. cos( x) = cos(x) 9. sin ˇ 2 x = cos(x) 10. cos ˇ 2 x = sin(x) 11. sin ˇ 2 +x = cos(x) 12. cos ˇ 2 +x = sin(x) 13. sin(ˇ x.

Likewise, Cos θ = Adjacent / Hypotenuse. ∴ Cos θ = 4/5 (Ans.) and, Tan θ = Opposite / Adjacent. ∴ Tan θ = 3/4 (Ans.) How to use sohcahtoa to find a side? To find a side from SOH, CAH and TOA. One length and one angle (apart from the right angle) must be known to us. For example Trig calculator finding sin, cos, tan, cot, sec, csc. To find the trigonometric functions of an angle, enter the chosen angle in degrees or radians. Underneath the calculator, six most popular trig functions will appear - three basic ones: sine, cosine and tangent, and their reciprocals: cosecant, secant and cotangent

Remember that the hypotenuse side is always opposite the right angle, it never changes position. The opposite side is opposite the angle we are interested in and the adjacent side is the remaining side. \begin{align*} \cos \theta & = \frac{\text{adjacent}}{\text{hypotenuse}} \\ \cos 25° & = \frac{7}{x} \end{align* Sin and Cos are basic trigonometric functions that tell about the shape of a right triangle. SO let us see the sin cos formula along with the other important trigonometric ratios. \(\sin θ= Perpendicular/ Hypotenuse\) \(\cos θ= Base/ Hypotenuse\) \(\tan θ= Perpendicular/Base\) \(\csc θ= Hypotenuse/Perpendicular\) \(\sec θ = Hypotenuse/Base\

Cos(q) = Adjacent / Hypotenuse Tan(q) = Opposite / Adjacent Select what (angle / sides) you want to calculate, then enter the values in the respective rows and click calculate. If you want to calculate hypotenuse enter the values for other sides and angle Cos (q) = And/His = Adjacent/Hypotenuse Tan (q) = Old/Aunt = Opposite/Adjacent Right Angle Triangle - Online Angles & Sides Calculation. Just enter the numbers and get result using our online Tri Angle Calculation $\begingroup$ If your understanding of $\cos$ and $\sin$ comes only from right-angled triangles, then $\cos(90^\circ)$ makes no sense. You need to find some definition of the trigonometric functions which does not rely only on right-angled triangles (there are several conventional approaches, both geometric, algebraic and analytic, and most reasonable approaches give the same result in the end) So, the full base line divided by the hypotenuse is the product cos A cos B (4). Now, for the little part that has to be subtracted. The shaded part (5) represents sin A, which multiplied by the shaded part (6) is sin E, which produces the other piece you need (7). The subtraction produces cos(A + B) (8) so that the formula we need is Given the following triangle: Label the hypotenuse, opposite and adjacent sides of the triangle with respect to \(\theta\). State which sides of the triangle you would use to find \(\sin \theta\), \(\cos \theta\) and \(\tan \theta\)

Sinus-und Kosinusfunktion (auch Cosinusfunktion) sind elementare mathematische Funktionen.Vor Tangens und Kotangens, Sekans und Kosekans bilden sie die wichtigsten trigonometrischen Funktionen.Sinus und Kosinus werden unter anderem in der Geometrie für Dreiecksberechnungen in der ebenen und sphärischen Trigonometrie benötigt. Auch in der Analysis sind sie wichtig cos= adjacent/hypotenuse. tan= opposite/adjacent. csc= hypotenuse/opposite. sec= hypotenuse/adjacent. cot= adjacent/opposite. After finding theta, you can see which side of the triangle is the hypotenuse, opposite side, and adjacent side. They hypotenuse is the longest side of the triangle (in right triangles) The COS function returns the cosine of an angle provided in radians. In geometric terms, the cosine of an angle returns the ratio of a right triangle's adjacent side over its hypotenuse. For example, the cosine of PI()/6 radians (30°) returns the ratio 0.866. cos x 4 4 r hypotenuse rr hypotenuse r 5 5To find tan we now use the formula from MATH TRIGO at University of Notre Dam

La fonction cosinus est une fonction mathématique paire d'un angle.Dans un triangle rectangle, le cosinus d'un angle est le rapport de la longueur du côté adjacent par la longueur de l'hypoténuse.. Le cosinus est habituellement cité en deuxième parmi les fonctions trigonométriques.. Les fonctions trigonométriques sont habituellement définies comme le rapport de deux côtés d'un. Because a right triangle with hypotenuse of length \(r\) can be thought of as a scaled version of a right triangle with hypotenuse of length \(1\text{,}\) we can conclude that in a right triangle with hypotenuse of length \(r\text{,}\) the leg adjacent to angle \(\theta\) has length \(r\cos(\theta)\text{,}\) and the leg opposite \(\theta\) has length \(r\sin(\theta)\text{,}\) as seen in Figure. The common three trigonometric ratios are sine, cosine and tangent which are defined by the following triangle: abc show us the sides, ABC represent the angles I know there's a topic similar, What can I do with these asin, acos, atan, sin, cos, tan but I don't understand it pretty much, I already know this are trigonomic (or something like that) functions, but, for example The answers people give, sometimes are really complicated, or I don't get it pretty much, I speak spanish too. so it's difficult, I want if possible, short answers like for.

- The hypotenuse is the side opposite to the right angle The other three functions i.e. cot, sec and cosec depend on tan, cos and sin respectively, such as: Cot θ = 1/tan θ Sec θ = 1/cos θ Cosec θ = 1/sin θ Hence, Cot θ = Base/Perpendicualr Sec θ = Hypotenuse/Base Cosec θ = Hypotenuse/Perpendicular Trigonometry Examples There are many real-life examples where trigonometry is used broadly
- Y = cos(X) returns the cosine for each element of X. The cos function operates element-wise on arrays. The function accepts both real and complex inputs. For real values of X, cos(X) returns real values in the interval [-1, 1]. For complex values of X cos (α) = adjacent side hypotenuse = b h.
- cos = adjacent / hypotenuse. tan = opposite / adjacent. If you need help remembering: soh cah toa. The hypotenuse of a triangle is the side opposite the 90 degree angle. Your not doing grade 11 trig by the way. Grade 11 trig involves sine law and cosine law

cos θ = adjacent / hypotenuse Kelly Oakes / BuzzFeed / commons.wikimedia.org. a = c sin 30º a = c sin 30º a = b sin 30º a = b sin 30º a = c cos 30º a = c cos 30º a = b cos 30º a = b cos 30º 7. How would. ** And instead of [latex]1[/latex], we will call the side of a right triangle opposite the right angle the hypotenuse**. These sides are labeled in Figure 2. Figure 2 By Victor Powell. with text by Lewis Lehe. Sine and cosine — a.k.a., sin(θ) and cos(θ) — are functions revealing the shape of a right triangle. Looking out from a vertex with angle θ, sin(θ) is the ratio of the opposite side to the hypotenuse, while cos(θ) is the ratio of the adjacent side to the hypotenuse.No matter the size of the triangle, the values of sin(θ) and cos(θ) are the. The final value of sin2u is $\frac{4\sqrt{77}}{81}$. Double Angle Calculator Tutorial With Given You must begin by choosing the identity you would like to calculate from the dropdown list Auf die Winkelfunktionen Sinus (sin(x)), Kosinus (cos(x)) und Tangens (tan(x)) werdet ihr in vielen mathematischen Bereichen sehr häufig treffen. Es handelt sich um die wichtigsten trigonometrischen Funktionen. Wir schauen uns in diesem Artikel die geometrischen Aussagen an, die sich auf rechtwinklige Dreiecke beziehen

En retvinklet trekant er en trekant hvori ét af de tre hjørner danner en ret vinkel, dvs. en vinkel på 90 grader, π/2 radianer eller 100 nygrader.Den pågældende vinkel markeres gerne med et lille kvadrat inde i vinklen, sådan som det ses i vinkel C på illustrationen til højre.. Den retvinklede trekant danner grundlag for bl.a. definitionerne på sinus og cosinus, ligesom der gælder. Introduction to Trigonometry: Hypotenuse, learn the names of the sides of a right triangle (hypotenuse, adjacent, opposite) and how they are used in trigonometry, SOHCAHTOA, Trigonometric Functions, Trigonometric Angles, Inverse Trigonometry, Trigonometry Problems, with video lessons with examples and step-by-step solutions

Start studying Trigonometric Ratios. Learn vocabulary, terms, and more with flashcards, games, and other study tools COS(tal) Syntaksen for funktionen COS har følgende argumenter: Tal Påkrævet. Den vinkel i radianer, hvis cosinus skal beregnes. Bemærkning. Hvis vinklen er i grader, kan du enten gange vinklen med PI()/180 eller bruge funktionen RADIANER til at konvertere vinklen til radianer

Cos= Adjacent/hypotenuse Sin= Opposite/hypotenuse Answers: 2 Get Other questions on the subject: Mathematics. Mathematics, 21.06.2019 13:30, shainaanderson24. How can a researcher test the validity of cross-population generalizations? Answers: 2. continue. Mathematics, 21.06.2019 14:10, logan867. G(x. The Hypotenuse (I'm just keeping that the value of how far I want the object to travel before I blit it again) From the angle, I want to work out either/both the opposite and adjacent. The hypotenuse is going to be sin/asin and cos/acos. Which one? I don't know. How to I input my numbers cot²x = csc²x, (x, f(x)) sin 3xsin x x =sin x(2 cos2 x − 1)sin x cos x+cos x(2 sin x cos x)sin x cos x=2 cos2 x − 1cos x+ 2 cos x= 2 cos x −1cos x+ 2 cos x = 4 cos x − sec x dx/dy 2x³ + 4x² - 2x + 1, 1 + z²/dy/dx1 - z AND THEY LIVE MATHEMATICALLY EVER AFTER See Mor hypotenuse b cos = adjacent hypotenuse c tan = opposite adjacent = 10 26 = 24 26 = 24 = 5 13 = 12 13 = 12 10cm 26cm 24cm {10} A guide for teachers SPECIAL ANGLES The angles 30°, 45° and 60° appear frequently in trigonometry and their sine, cosine and tangent ratios can be expressed using rational numbers and surds

TRIGONOMETRY LAWS AND IDENTITIES DEFINITIONS sin(x)= Opposite Hypotenuse cos(x)= Adjacent Hypotenuse tan(x)= Opposite Adjacent csc(x)= Hypotenuse Opposite sec(x)= Hypotenuse Adjacen hypotenuse c R i g h t t r i a n g l e cos θ = a c , sin θ = b c , tan θ = b a R i g h t t r i a n g l e cos θ = a c , sin θ = b c , tan θ = b a Customer Voic cos(x) = adjacent / hypotenuse. hypotenuse = adjacent / cos(x) When the given side is opposite, we use: sin(x) = opposite / hypotenuse. hypotenuse = opposite / sin(x) 0 0. daSVgrouch. Lv 7. 1 decade ago. you have one leg L1 and 3 angles, and unknown leg L2, and an unknown hypotenuse H

Opposite side is 1, hypotenuse is 3, adjacent side is 2 \sqrt2 Find sin,cos.Note the signs +,- respectively. Draw a triangle. Opposite side is 1, hypotenuse is 3, adjacent side is 2 2 Find sin,cos.Note the signs + , − respectively CAH: Cos(θ) = Adjacent / Hypotenuse TOA : Tan(θ) = Opposite / Adjacent We'll dive further into the theory behind it in the video below, but essentially it's taken from the AA Similarity Postulate that we learned about previously

Trigonometric ratios are the ratios of sides of a right-angle triangle. The six trigonometric ratios of a right angle triangle are Sin, Cos, Tan, Cosec, Sec and Cot. They stand for Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent respectively ** From the figure, $\cos(90°−x°)$, which is equal the ${adjacent\: side}/{the\: hypotenuse}$, is also ${4}/{5}$ or 0**.8. Example #3 Answer Explanation: Similarly to the other trigonometry problem, there are two ways to solve this problem

$$ cos(\angle \red K) = \frac{adjacent }{hypotenuse} \\ cos(\angle \red K) = \frac{9}{15} $$ Range of Values of Cosine. For those comfortable in Math Speak, the domain and range of cosine is as follows. Domain of Cosine = all real numbers; Range of Cosine = {-1 ≤ y ≤ 1}. The ratio of the adjacent side to the hypotenuse is a function of the angle c, so we can write the symbol as cos(c) = value. Notice also that as the cos(c) increases, the sin(c) decreases. If we incline the ladder so that the base is 6.938 feet from the wall, the angle c becomes 30 degrees and the ratio of the adjacent to the hypotenuse is .866 Hypotenuse leg: is in the right angle, the long one; Sine, cosine, and tangent are the three main functions in trigonometry. They are commonly called sin, cos, and tan. The calculation is only one side of a right-angled triangle divided by another side. In this case, you just need to understand which side and let sohcahtoa helps you ** cos(60) = adjacent / hypotenuse**. therefore, cos(60) = x / 13. therefore, x = 13 × cos(60) = 6.5. therefore the length of side x is 6.5cm. FAQ (Frequently Asked Questions) 1. What are Trigonometric Ratios? Answer: Trigonometry is the branch of mathematics that deals with specific functions of angles and their application to calculations

cos hypotenuse q= hypotenuse sec adjacent q= opposite tan adjacent q= adjacent cot opposite q= Unit circle definition For this definition q is any angle. sin 1 y q==y 1 csc y q= cos 1 x q==x 1 sec x q= tan y x q= cot x y q= Facts and Properties Domain The domain is all the values of q that can be plugged into the function. sinq, q can be any. Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more Note that tangent expressed in terms of sine and cosine is [math]\tan(x) = \frac{\sin(x)}{\cos(x)}[/math]. Also note that [math]\cot(x) = \frac{1}{tan(x)}[/math.