Powers of Complex Numbers (DeMoivre's Theorem)

11. Graphing Complex Numbers / Powers of Complex Numbers (DeMoivre's Theorem) / Problem 4

Simplify the given complex number. Express your answer in polar form.
[3(cos 8° + i sin 8°)]⁷

343(cos 56° + i sin 56°)

2187(cos 56° + i sin 56°)

3(cos 56° + i sin 56°)

729(cos 48° + i sin 48°)

Simplify the given complex number. Express your answer in polar form.[3(cos 8° + i sin 8°)]7