Část:
Project ID:
2010013112
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Najděte goniometrický tvar komplexně sdruženého čísla k \(z=-\frac{\sqrt5}{2} + \mathrm{i}\frac{\sqrt{15}}{2}\).
\(\sqrt{5}\left (\cos \left(-\frac{2\pi}
{3}\right) + \mathrm{i}\sin \left(-\frac{2\pi}
{3}\right )\right)\)
\(\sqrt{5}\left (\cos \frac{2\pi }
{3} + \mathrm{i}\sin \frac{2\pi }
{3}\right )\)
\(\sqrt{10}\left (\cos \frac{4\pi }
{3} + \mathrm{i}\sin \frac{4\pi }
{3}\right )\)
\(\sqrt{5}\left (\cos \frac{\pi }
{3} + \mathrm{i}\sin \frac{\pi }
{3}\right )\)