Write the Complex Number in Rectangular Form $3 \left( \cos 9 ^ { \circ } + i \sin 9 ^ { \circ } \right)$

Multiple Choice

Write the complex number in rectangular form.
- $3 \left( \cos 9 ^ { \circ } + i \sin 9 ^ { \circ } \right)$

A) $1.7 + 0.3 \mathrm { i }$
B) $3 + 0.5 i$
C) $- 1.7 - 0.3 \mathrm { i }$
D) $0.5 + 3 \mathrm { i }$