Doug says that since the reference angle for a rotation through 765° has measure 45°, then cos(765°) = cos(45°),
and sin(765°) = sin(45°). explain why he is or is not correct.

Match each inequality to the number line that represents its solution

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.