Perform the Operation Shown Below and Leave the Result in Trigonometric

Multiple Choice

Perform the operation shown below and leave the result in trigonometric form.
$$\left[ 6 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right) \right] \left[ 2 \left( \cos 280 ^ { \circ } + i \sin 280 ^ { \circ } \right) \right]$$

A) $8 \left( \cos 370 ^ { \circ } + i \sin 370 ^ { \circ } \right)$
B) $12 \left( \cos 252 ^ { \circ } + i \sin 252 ^ { \circ } \right)$
C) $12 \left( \cos 190 ^ { \circ } + i \sin 190 ^ { \circ } \right)$
D) $8 \left( \cos 190 ^ { \circ } + i \sin 190 ^ { \circ } \right)$
E) $12 \left( \cos 370 ^ { \circ } + i \sin 370 ^ { \circ } \right)$