2000002105 | math4u.vsb.cz

SubArea:

Powers and roots of complex numbers

Level:

Project ID:

2000002105

Accepted:

0

Clonable:

0

Easy:

1

Find the value of the principal argument

φ

of

{(\cos \frac{2 π}{3} + i \sin \frac{2 π}{3})}^{18}

. The principal value is the corresponding angle

φ \in (- π; π]

.

0

π

- π

\frac{π}{3}