$\"\"$

The complex number is $\"\"$ .

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

For $\"\"$ , $\"\"$ .

Find the modulus $\"\"$ :

$\"\"$

Find the argument $\"\"$ :

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

$\"\"$

Substiute the values $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$ .

$\"\"$

$\"\"$ .