Część:
Project ID:
9000070105
Accepted:
1
Clonable:
0
Easy:
1
Wyrażenie
\[
\mathrm{i}^{13}
\] jest równe:
\(\cos \frac{\pi }
{2} + \mathrm{i}\sin \frac{\pi }
{2}\)
\(\cos \frac{\pi }
{2} -\mathrm{i}\sin \frac{\pi }
{2}\)
\(\sin \frac{\pi }
{2} + \mathrm{i}\cos \frac{\pi }
{2}\)
\(\cos \frac{3\pi }
{2} + \mathrm{i}\sin \frac{3\pi }
{2}\)