Write the Complex Number in Rectangular Form $6 \left( \cos 330 ^ { \circ } + i \sin 330 ^ { \circ } \right)$

Multiple Choice

Write the complex number in rectangular form.
- $6 \left( \cos 330 ^ { \circ } + i \sin 330 ^ { \circ } \right)$

A) $- 3 \sqrt { 3 } + 3 i$
B) $- 3 \sqrt { 3 } - 3 i$
C) $3 \sqrt { 3 } + 3 i$
D) $3 \sqrt { 3 } - 3 \mathrm { i }$