TeX Quellcode:

\begin{array}{rcl}z_0^3 &=& 2^3\left(\cos\left(3\cdot 0\right)+i\sin\left(3\cdot 0\right)\right) \\ &=& 8\left(\cos\left(0\right)+i\sin\left(0\right)\right) \\ &=&8\end{array}