TeX Quellcode:

\begin{array}{rcl}z_2^{12} &=& \left(\dfrac{1}{4}\right)^{12}\left(\cos\left(12\cdot\dfrac{5\pi}{9}\right)+i\sin\left(12\cdot\dfrac{5\pi}{9}\right)\right) \\ \\ &=& \dfrac{1}{16.777.216}\left(\cos\left(\dfrac{20\pi}{3}\right)+i\sin\left(\dfrac{20\pi}{3}\right)\right) \\ \\ &=& \dfrac{1}{16.777.216}\left(\cos\left(\dfrac{2\pi}{3}\right)+i\sin\left(\dfrac{2\pi}{3}\right)\right)\end{array}