In 1-8, match each expression with the correct choice to form an identity. Choices may be used once, more than once, or not at all. cos x cos y + sin x siny tan x cos x cos x cosy - sinxsin y Drag each of the expressions given above into the appropriate area below. 1. cos (x + y)= 2. cos (x - y) = •(2-x) - 3. cos 4. sin 5. cos X- 6. sin X- It I sản x || sản x m - cos x cotx

Q: Which of the following is equivalent to 2 cos(3x) cos(5x)? Select an answer and submit. For keyboard…

A: We have the formula,  Cos(A+B) + Cos(A-B) = 2 CosA CosB------(1) Now given that, 2Cos(3x) Cos(5x)…

Q: Evaluate cos tan Vx² + 1

A: We have to evaluate the given trigonometric function.

Q: Determine if each equation is an identity by graphing each side v sin² (x)+cos² (x) sin(x) csc (x)…

A: An identity is an equation which is satisfied for all 'x' values in the domain.

Q: Which expression does (cos 3x)(cos x) - (sin 3x) (sin x) simplify to? O cos 4x sin 2x O cos 2x sin…

A:

Q: ,3 sin x cos x dx. + C

A:

Q: sec" (*) 1 - tan?(x) cos? (x) %3D sin(x) + sin(x) sin“ (æ) – cos“ (x) = -

A:

Q: Simplify. cos(-4x) · cos 2x – sin(-4x) · sin 2x cos(-2x_ sin(-6x) cos(-3x) cos(-x)

A: Using Cos(A+B) formula

Q: Rewrite the expression cos (0) without using any powers of sin or cos.

A: We have to rewrite the expression cos4( θ) without using the powers of sin or cos .

Q: Which expression does (sin x)(cos 2x) + (cos x)(sin 2x) simplify to? O cos 3x O-sin x sin 3x O…

A: To simplify the expression

Q: Evaluate tan (cos-¹(-3)) 5

A:

Q: 5) cos X = 35 B. 12 37 R

A: Use the trigonometry ratio formula for cosx

Q: Verify that the equation is an identity. cos (x+y)+ cos (x-y) = 2 cos x cos y cos (x +y)+ cos (x -…

A: To verify that the equation is an identity.