Question

PRECALC HELP!!
which complex number's graph is shown?
(graph is attached below)

A. 2(cos(7pi/4) + isin(7pi/4))
B. -2 (cos(135 degrees) + i sin(135degrees))
C. 2sqrt(2) (cos(3pi/4) + i sin(3pi/4))
D. 2sqrt(2) (cos225 degrees) + i sin(225 degrees))

Answer 1

C.

Answer 2

thanks!