Find Roots of Complex Numbers in Polar Form
-The Complex $100 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right)$

Multiple Choice

Find Roots of Complex Numbers in Polar Form
-The complex square roots of $100 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right)$ (polar form)

A) $10 \left( \cos 105 ^ { \circ } + i \sin 105 ^ { \circ } \right) , 10 \left( \cos 285 ^ { \circ } + i \sin 285 ^ { \circ } \right)$
B) $10 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right) , 10 \left( \cos 195 ^ { \circ } + i \sin 195 ^ { \circ } \right)$
C) $10 \left( \cos 105 ^ { \circ } + i \sin 105 ^ { \circ } \right) , 195 \left( \cos 285 ^ { \circ } + i \sin 285 ^ { \circ } \right)$
D) $10 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right) , - 10 \left( \cos 195 ^ { \circ } + i \sin 195 ^ { \circ } \right)$