Polar Form of Complex Number/Examples/4 cis 315

Example of Polar Form of Complex Number
The complex number $\polar {4, 315 \degrees}$ can be expressed in Cartesian form as:
 * $4 \cis 315 \degrees = 2 \sqrt 2 - 2 \sqrt 2 i$

and depicted in the complex plane as:


 * 4 cis 315.png