Find Roots of Complex Numbers in Polar Form
-The Complex $64 \left( \cos 150 ^ { \circ } + \mathrm { i } \sin 150 ^ { \circ } \right)$

Multiple Choice

Find Roots of Complex Numbers in Polar Form
-The complex cube roots of $64 \left( \cos 150 ^ { \circ } + \mathrm { i } \sin 150 ^ { \circ } \right)$ (polar form)

A) $4 \left( \cos 50 ^ { \circ } + i \sin 50 ^ { \circ } \right) , 4 \left( \cos 170 ^ { \circ } + i \sin 170 ^ { \circ } \right) , 4 \left( \cos 290 ^ { \circ } + i \sin 290 ^ { \circ } \right)$
B) $4 \left( \cos 50 ^ { \circ } + i \sin 50 ^ { \circ } \right) , 4 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right) , 4 \left( \cos 130 ^ { \circ } + i \sin 130 ^ { \circ } \right)$
C) $- 4 \left( \cos 50 ^ { \circ } + i \sin 50 ^ { \circ } \right) , 4 \left( \cos 170 ^ { \circ } + i \sin 170 ^ { \circ } \right) , - 4 \left( \cos 290 ^ { \circ } + i \sin 290 ^ { \circ } \right)$
D) $- 4 \left( \cos 50 ^ { \circ } + i \sin 50 ^ { \circ } \right) , 4 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right) , - 4 \left( \cos 130 ^ { \circ } + i \sin 130 ^ { \circ } \right)$