The Argand Diagram and Polar form resources
iPOD Video (2)

This mp4 video explains how complex numbers can be represented pictorially using an Argand Diagram. Sigma resource Unit 8.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.

This mp4 video explains how to calculate the modulus and argument of a complex number. Sigma resource Unit 9.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.