TeX Quellcode:

\begin{array}{rcl}z_2 &=& \sqrt[3]{8}\left(\cos\left(\dfrac{0+2\cdot 2\cdot\pi}{3}\right)+i\sin\left(\dfrac{0+2\cdot 2\cdot\pi}{3}\right)\right) \\ \\ &=&2\left(\cos\left(\dfrac{4\pi}{3}\right)+i\sin\left(\dfrac{4\pi}{3}\right)\right)\end{array}