Find the Standard Form of the Complex Number $5 \left( \cos \frac { 5 \pi } { 12 } + i \sin \frac { 5 \pi } { 12 } \right)$

Multiple Choice

Find the standard form of the complex number $5 \left( \cos \frac { 5 \pi } { 12 } + i \sin \frac { 5 \pi } { 12 } \right)$ .Round values to the nearest hundredth.

A) $- 1.29 - 4.83 i$
B) $2.5 + 4.33 i$
C) $1.29 + 4.83 i$
D) $1.29 - 4.83 i$
E) $- 2.5 - 4.33 i$