let A and B be positive angles les than 360 degree with a secA=-17/8, in quadrant 2 and with tan B=-21/20 in quadrant 4 a. exact value of cos(A+B) b. exact valuve of sin(2A) c. exact value of cos(B/2)

Q: Given that V2 - /2 – V2 sin 22.5° find an exact expression for tan 22.5°.

A: Given: sin22.5°=2-22

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: 2. Angle 0 in standard position has sin 0 == and cos0 < 0. 3 (a) Determine the value of tan e (b)…

A: Given : sin(theta) = 2/3 and cos(theta) &lt; 0

Q: 1. Find the exact values of the following, if they exist. a. sin- V2 2. b. arcsin(-) C. sin-12

A:

Q: Find the standard answer for | tan(x) + e² dz = +C

A: ∫tan(x)+exdx

Q: If cos(0) 7. and 0 is in the 4th quadrant, find sin(0) 8. sin(A)

A: Since, cos θ=78and θ is in the fourth quadrant.Our Aim is to find sin θ=?

Q: exact value of each expression.

A: (a) arctan(tan(4π/3)) arctan and tan cancels each other  So 4π/3 is the answer

Q: The Sine and Cosine functions are equal to each other when the angle measures are complementary.…

A:

Q: Calculate the following. а. sin-1 cos"" (-) c. tan-(1)

A:

Q: 7. Given that tan (A) = and angle A is in 3rd quadrant and cos(B) = – - and %3D 13 angle B is in 2th…

A:

Q: Find one value of x that solves the equation by using the inverse sine or cosine function on your…

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Q: - If tan0=3/2 , find the value of sece and sin® without using table.

A: It is given that, tanθ=32 Definition of tangent ration is length of the side opposite of angle theta…