Complex numbers find applications in GPS technology. The processing of the signals in GPS involves complex numbers to accurately determine positions.

You can write any complex number in polar form, as it equals 

 is the argument. This video explains how.

How do you write Complex Numbers in Polar Form?

A complex number, z, is a number that can be written in the form

Sometimes also called the modulis, magnitude or the absolute value of 

 is the angle between the positive real axis and the line joining the origin to 

Mathagon

Norm of a Complex Number

Argument of a Complex Number

Polar Form

Geometric Properties of Complex Numbers

You can write any complex number in polar form, as it equals r × cos θ + i × sin θ, where r is the norm of z and θ is the argument. This video explains. 

How Do You Write Complex Numbers in Polar Form?