$\"\"$

\

The complex numbers is $\"\"$ .

\

Express complex numbers in polar form.

\

The polar or trigonometric form of the complex number $\"\"$ is $\"\"$ .

\

Consider $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

Find $\"\"$ .

\

If $\"\"$ , then $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Polar form of $\"\"$ is $\"\"$ .

\

$\"\"$

\

De Moivre $\"\"$ s Theorem:

\

If the polar form of a complex number is $\"\"$ , then for positive integers $\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .