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Project ID:
9000038605
Accepted:
1
Clonable:
0
Easy:
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Vyjadrite v goniometrickom tvare dané komplexné číslo.
\[
-\frac{\sqrt{5}}
{2} + \mathrm{i}\frac{\sqrt{15}}
{2}
\]
\(\sqrt{5}\left (\cos \frac{2\pi }
{3} + \mathrm{i}\sin \frac{2\pi }
{3}\right )\)
\(\sqrt{5}\left (\cos \frac{\pi }{3} + \mathrm{i}\sin \frac{\pi }{3}\right )\)
\(\sqrt{5}\left (\cos \frac{2\pi }
{5} + \mathrm{i}\sin \frac{2\pi }
{5}\right )\)
\(\sqrt{5}\left (\cos \frac{3\pi }
{2} + \mathrm{i}\sin \frac{3\pi }
{2}\right )\)