z^{50}=\left(\cos \frac{\pi}{4}+i \sin \frac{\pi}{4}\right)^{50}=\cos \frac{3\pi}{2}+\sin \frac{3\pi}{2}=-iNení zaškrtnuto
z^{50}=\left(\cos \frac{\pi}{4}+i \sin \frac{\pi}{4}\right)^{50}=\cos \frac{\pi}{2}+\sin \frac{\pi}{2}=iNení zaškrtnuto