TeX Quellcode:
{z_1 \; = \; \sqrt[3]{64} \, \left(\cos\left(\dfrac{6\pi+2 \cdot 1 \cdot \pi}{3}\right)+i \sin\left(\dfrac{6\pi+2 \cdot 1 \cdot \pi}{3}\right) \right) \; = \; 4 \left(\cos\left(\dfrac{8\pi}{3}\right)+i \sin\left(\dfrac{8\pi}{3}\right)\right) \; = \; 4\left(\cos\left(\dfrac{2\pi}{3}\right)+i \cdot \sin\left(\dfrac{2\pi}{3}\right)\right) }