Část:
Project ID:
9000070101
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Určete algebraický tvar daného komplexního čísla.
\[\left (\cos \frac{\pi }{4} + \mathrm{i}\sin \frac{\pi }{4}\right )^{3}\]
\(-\frac{\sqrt{2}}
{2} + \mathrm{i}\frac{\sqrt{2}}
{2} \)
\(-\frac{\sqrt{2}}
{2} -\mathrm{i}\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{2}}
{2} -\mathrm{i}\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{2}}
{2} + \mathrm{i}\frac{\sqrt{2}}
{2} \)