Find the given power. Write answer in rectangular form.
-$\left[ 3 \operatorname { cis } 15 ^ { \circ } \right] ^ { 4 }$
A) $\frac { 81 } { 2 } + \frac { 81 } { 2 } \mathrm { i }$
B) $\frac { 81 } { 2 } \sqrt { 3 } + \frac { 81 } { 2 } \mathrm { i }$
C) $\frac { 81 } { 2 } + \frac { 81 } { 2 } \mathrm { i } \sqrt { 3 }$
D) $81 \mathrm { i }$

Question

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The Answer of Find the given power. Write answer in rectangular form.
-$\left[ 3 \operatorname { cis } 15 ^ { \circ } \right] ^ { 4 }$
A) $\frac { 81 } { 2 } + \frac { 81 } { 2 } \mathrm { i }$
B) $\frac { 81 } { 2 } \sqrt { 3 } + \frac { 81 } { 2 } \mathrm { i }$
C) $\frac { 81 } { 2 } + \frac { 81 } { 2 } \mathrm { i } \sqrt { 3 }$
D) $81 \mathrm { i }$

Find the Given Power [3cis⁡15∘]4\left[ 3 \operatorname { cis } 15 ^ { \circ } \right] ^ { 4 }[3cis15∘]4

Find the Given Power $\left[ 3 \operatorname { cis } 15 ^ { \circ } \right] ^ { 4 }$