Perform the Indicated Operation $\left[ 25.4 \operatorname { cis } \frac { 5 \pi } { 12 } \right] ^ { 2 }$

Multiple Choice

Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal
places.
- $\left[ 25.4 \operatorname { cis } \frac { 5 \pi } { 12 } \right] ^ { 2 }$

A) $- 558.7249 + 322.5800 \mathrm { i }$
B) $- 21.9970 + 12.7000 \mathrm { i }$
C) $322.5800 - 558.7249 \mathrm { i }$
D) $166.9797 + 623.1767 \mathrm { i }$