Question

Multiple Response:

Which of the following is a third root of the given complex number?

Answer 1

\[e^{i \theta}=\cos(\theta)+i \sin(\theta)\]
See if you can try to use this to answer your question

Answer 2

We can even say \[\cos(\theta)+ i sin(\theta)=\cos(\theta+2 n \pi)+i \sin(\theta+2 n \pi)=e^{\theta+2 n \pi}\]