9000070110

Podano $z_1=4(\cos \frac{5}{3}\pi +\mathrm{i}\sin \frac{5}{3}\pi )$ i $z_2=2(\cos \frac{1}{6}\pi +\mathrm{i}\sin \frac{1}{6}\pi )$, oblicz $\frac{z_1}{z_2}$.