Carry out the indicated operations. $\left[ \frac { \cos \frac { \pi } { 11 } + i \sin \frac { \pi } { 11 } } { \cos \left( - \frac { \pi } { 11 } \right) + i \sin \left( - \frac { \pi } { 11 } \right) } \right] ^ { 4 }$
A) $\left( \cos \frac { - 4 \pi } { 11 } + i \sin \frac { - 4 \pi } { 11 } \right)$
B) $\left( \cos \frac { 8 \pi } { 11 } + i \sin \frac { 8 \pi } { 11 } \right)$
C) $( \cos 0 + i \sin 0 )$
D) $\left( \cos \frac { 16 \pi } { 11 } + i \sin \frac { 16 \pi } { 11 } \right)$
E) $\left( \cos \frac { 4 \pi } { 11 } + i \sin \frac { 4 \pi } { 11 } \right)$

Question

Quizplus · Accepted Answer

The Answer of Carry out the indicated operations. $\left[ \frac { \cos \frac { \pi } { 11 } + i \sin \frac { \pi } { 11 } } { \cos \left( - \frac { \pi } { 11 } \right) + i \sin \left( - \frac { \pi } { 11 } \right) } \right] ^ { 4 }$
A) $\left( \cos \frac { - 4 \pi } { 11 } + i \sin \frac { - 4 \pi } { 11 } \right)$
B) $\left( \cos \frac { 8 \pi } { 11 } + i \sin \frac { 8 \pi } { 11 } \right)$
C) $( \cos 0 + i \sin 0 )$
D) $\left( \cos \frac { 16 \pi } { 11 } + i \sin \frac { 16 \pi } { 11 } \right)$
E) $\left( \cos \frac { 4 \pi } { 11 } + i \sin \frac { 4 \pi } { 11 } \right)$

Carry Out the Indicated Operations A) (cos⁡−4π11+isin⁡−4π11)\left( \cos \frac { - 4 \pi } { 11 } + i \sin \frac { - 4 \pi } { 11 } \right)(cos11−4π​+isin11−4π​)

Carry Out the Indicated Operations A) $\left( \cos \frac { - 4 \pi } { 11 } + i \sin \frac { - 4 \pi } { 11 } \right)$