consider this equation sin(theta) = -4 square root of 29/29 if theta is an angle in quadrant IV what is the value of cos (theta)

Step-by-step explanation:

Given

-- the correct expression

Required

We know that:

Make the subject

Substitute:

Evaluate all squares

Take LCM

Take square roots of both sides

cosine is positive in the 4th quadrant;

So:

Split

Rationalize

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

answer: idk

step-by-step explanation: