# Trigonometric or Polar Form of Complex Numbers

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Videos, worksheets, games and activities to help PreCalculus students learn the trigonometric or polar form of complex numbers.

Trigonometric Form of Complex Numbers :
A convenient form for numbers in the complex plane, other than rectangular form, is the trigonometric form of complex numbers. The trigonometric form of complex numbers uses the modulus and an angle to describe a complex number's location. It is important to be able to convert from rectangular to trigonometric form of complex numbers and from trigonometric to rectangular form.

This video explains how to write complex numbers in trigonometric form.
Graph complex numbers
Convert a complex number in rectangular form to trigonometric form
Convert a complex number in trigonometric form to rectangular form
Expressing a Complex Number in Trigonometric or Polar Form, Ex 1

Expressing a Complex Number in Trigonometric or Polar Form, Ex 2
Expressing a Complex Number in Trigonometric or Polar Form, Ex 3

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