2010013110 | math4u.vsb.cz

SubArea:

Complex numbers in algebraic and polar form

Level:

Project ID:

2010013110

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Let

z = \frac{1}{\cos \frac{7 π}{6} + i \sin \frac{7 π}{6}}

. Which of the following numbers is not the value of the argument of

z

?

210^{\circ}

150^{\circ}

- \frac{7 π}{6}

\frac{5 π}{6}