Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the expression. 3x R COS sin 4 12 3x sin COS 4 X 12

Q: Evaluate the expression and write your answers in radians. cos-1(-1)=

A: The objective of the question is to find the value of the inverse cosine of -1 in radians.

Q: Rewrite sin θ−cos θ/cos θ+cos θ+sin θ/sin θ over a common denominator. Type your answer in terms of…

A: Given, sinθ-cosθcosθ+cosθ+sinθsinθ

Q: Write the expression as the sine, cosine, or tangent of an angle. cos 4x cos 5y + sin 4x sin 5y

A: Given, cos 4x cos 5y + sin 4x sin 5y  We have to write the expression as the sine, cosine, or…

Q: Write sinA sin B sin Cas a sum or difference of sines and cosines. 1 Isin(A – B+ C) + sin(B + C - A)…

A: Topic- trigonometric identities Sin(-x) =-sin x

Q: Write the expression as a product of trigonometric functions. cs 6x - cos 2x cos 6x - cos 2x =

A: