Question

5


math geniuses help please!!


math

Answer 1

A

Explanation:

5pi/4 is in Q III so BOTH rectangular coordinates will be NEGATIVE

x = 4 cos (5pi/4) y = 4sin (5pi/4)

x = -4 sqrt (2)/2 y = - 4 sqrt (2) /2

x = - 2 sqrt 2 y = -2 sqrt 2