Question

Find the cube roots of 8(cos 216° + i sin 216°)

Answer 1

fan and medal

Answer 2

please help

Answer 3

what have you tried?

Answer 4

I think you'll need this:

De Moivre’s Theorem
A formula useful for finding powers and roots of complex numbers.

@pgreene008

Answer 5

\[\cos\theta+i\sin\theta=e^{i\theta}\]