Respuesta :

Answer: B


Step-by-step explanation: CONVERT TO DEGREE MEASURE

MULTIPLY BY 180

SIMPLIFY THE EXPRESSION -315

Answer:

The reference angle is π/4.

Step-by-step 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.