the terminal side of angle θ goes through the point (−4/5,3/5) on the unit circle, then what is cos(θ)?

Q: As theta increases from 0 degree to 90 degree , the value of cos theta tends toward which of the…

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Q: θ

A: Please refer to the image below

Q: what is the exact value of cos (22.5*) using the half angle identites

A: The exact value of cos (22.5*) using the half angle identities

Q: Find the exact value of sin 20, cos 20, and tan 20 using the double-angle formulas. cos 0 = 5 13 S…

A: Given cosθ=513We know that sin2θ+cos2θ=1sin2θ=1-5132        =1-25169        =144169Sinθ=-1213 (As…

Q: Find  sin?,cos?,???tan?sin⁡θ,cos⁡θ,andtan⁡θ  if  csc?=−2921csc⁡θ=−2921    and  cos θ < 0.

A: Given Cosecθ=2921and we have to calculate the value of sin(θ), cos(θ), tan(θ)

Q: Suppose an angle measures 2.32 radians. What is the related acute angle corresponding to this angle…

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Q: Given that theta is an angle with a terminal side in the second quadrant and such that…

A: Given,         sinθ=45 , θ is an angle with a terminal side in the second quadrant.

Q: If sin © = cos 23°, O = ?

A: Given: sinθ=cos23° To find: θ = ?

Q: If you are given the value of cosθ and want the exact value of cos(2θ), what form of the…

A: We have given the value of cosθ   We want the exact value of cos(2θ)   We have to tell what form…

Q: what is the exact value of sin (165*) using the half angle identities

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Q: Suppose cos 2 A , and 2A is an angle in the Second Quadrant. Then cos A Give the EXACT value.

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Q: What is an equivalent expression of Sin 21 in terms of the reference an (related acute angle)? a)…

A: To write equivalent expression for sin5π6

Q: Given an acute angle Cosx=2/7, find the exact value of cos(x/2). (Use a half-angle formula)

A: As we know from the half angle formula; cosx2=±1+cosx2   Given; cosx=27

Q: Given SinØ=3/5 ,and 180 < Ø <270 find the exact value for cosØ and tan Ø

A: Given : sinφ = 3/5 , and 180°&lt;φ&lt;270. When, Φ live in a 3rd quadrant. cosφ is negative,…

Q: sin theta = 3/5 and tan theta = -3/4, find sec theta?

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Q: The inverse of sin, cos, & tan is used when given 2 sides of a right triangle and asked to find an…

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Q: If cos x = and sI< 27, then tan 2x %3D

A: Given,           cosx=45 , 3π2≤x≤2π.

Q: To explain why, for any acute angle u, it is impossible for cos theta =  3.

A: we know that range of cosθ is -1 to 1 so, value of cosθ can't be equal to 3

Q: What is the value of sin 30+ cos 30

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Q: If csc(alpha)=3, where 0<alpha<pi/2, and beta is a Quadrant II angle with tan(beta)=-7, find…

A: Given,  cosec(alpha) = 3  ,   0&lt;alpha&lt;π/2 tan(beta) = -7   ,   π/2&lt;alpha&lt;π cos(alpha +…

Q: In a right triangle, one acute angle measures X°. If cos(x)= 3/4, what is the sin(90-x)?

A: In a right triangle,  Cos(x) = 3/4 We have to find sin(90-x)

Q: Suppose, for a given angle 0, we know that tan(0) = -5/3 and cos(0) > O. Find the exact value of…

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Q: Compute the value of the angle to the nearest degree. Sin β = 0.758 and tan β = 3.143

A: Introduction: When the value of a trigonometric function for a certain angle is given, we determine…

Q: If in right AABC with right angle at C, cos B : then what is the value of cos A?

A:

Q: Find the exact value of sin 20, cos 20, tan 20, and the quadrant in which 20 lies. 9. sin 0 = , 0 in…

A: To find the exact value of sin 2θ, cos 2θ, tan 2θ, and the quadrant in which 2θ lies. sin θ=45, θ in…

Q: If sin O > 0 and tan O < 0, what is the sign of the value of sec O?

A: To find the sign value of secθ Given sinθ&gt;0 and tanθ&lt;0 Given below is the quadrant system of…

Q: If cos(23x+20)°=sin(2x−10)°, find the acute angles of the corresponding right triangle

A: Given eqnCos23x+20°=Sin2x-10°We need to find x.we know thatCos A=Sin90-A

Q: For tan 0 = 49.451, find 0, an angle in a right triangle. If there is no angle corresponding to 0,…

A: Given: tan θ=49.451 To determine: Value of θ.

Q: If cos 0 = and tan 0 = %, 10 what is sin 0?

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: sin theta is 6/7, theta is in quadrant II, find the exact value of cos: theta, sin (theta+pi/6), cos…

A: Answer

Q: Find Sin, Cos, Tan 12 A 8.

A:

Q: If tan β = 4/3 and β is in the third quadrant, find exact values for sin β and cos β

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Q: Given cos⁡(θ)=3/5 and tan⁡(θ)<0 what is the value of sin⁡(θ)?

A: Explanation of the answer is as follows

Q: Find the exact value of s in L-7,7) by first finding the reference angle along with 45-45-90…

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Q: If a,ß are acute angles such that 4 cos a = and tan ß =, 5 find cos(a - B) 15 and sin

A: We have to find cosα-β and sinβ2

Q: What is the value of cos(6) if the terminal side of the angle 0 intersects a circle at the point…

A: It can be solved using the fact that cose angle is adjacent/hypotenuse

Q: If 180 is less than or equal to theta and greater than or equal to 270 degrees and cos (theta)=-2/9…

A: Here given as

Q: Find the exact value using half-angle formulas. 7 cos (7?/8)

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Q: What is the exact value of cos(85°) cos(65°)– sin(85°)sin(65°) ,

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Q: If sec(α)=25.2/19.4, then what is the value of cos(α)?

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Q: If theta = arctan(1) and 180deg < theta < 360deg, what is cos theta?

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Q: The angle 0 is in standard position, passing through the point (6, -8). What is the value of cos 0?…

A: Given: a=6,b=-8

Q: What is the exact value of sin (157.5°) using the half-angle identities? 2 /2+V2

A: We need to evaluate the exact value of sin(157.5o). So,              sin157.5∘ Use the following…

Q: What angle (in radians) corresponds to 0.25 rotations around the unit circle? radians (Give an exact…

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Q: Suppose that 0 is an angle in standard position whose terminal side intersects the unit circle at 9.…

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Q: if cos theta = -3/5, and sin theta<0, then what is the value of cot theta?

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Q: What is cos 2A, if cos 2A = 5/8, and 2A is an angle in the fourth quadrant?

A:

Q: The length of an arc in a circle of radius r, subtended by an angle theta is given by s=rtheta Where…

A: Let the letter s symbolize the length of an arc, which is called arc length.An arc "subtends" an…

Q: Use the Half-Angle Formula to determine cos(105°)

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Q: cos(nt/2) <t+Ⅱ.

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.