Question

Find the reference angle given: t= -7π/4.

Answer 1

The reference angle is π/4.

Explanation:

The angle -8π/4 (= -2π) corresponds to 1 revolution counter clockwise around the circle from 0 . So -7π/4 corresponds to 1/8 of a revolution less which corresponds to the angle π/4.

Answer 2

Answer: B

Step-by-step explanation: CONVERT TO DEGREE MEASURE

MULTIPLY BY 180

SIMPLIFY THE EXPRESSION -315