Powers of Complex Numbers (DeMoivre's Theorem) - Video Tutorials & Practice Problems

Given $z=3CiS\left(\frac{4\pi}{5}\right)$, calculate $z^5$.

• A. $z^5=243CiS\left(4\pi\right)$
• B. $z^5=243CiS\left(32\pi\right)$
• C. $z^5=243CiS\left(100\right)$
• D. $z^5=243CiS\left(4\right)$