I have just made some youtube playlists – which collect all the relevant videos in one place. The one embedded below contains all the complex numbers skills required:

If you prefer your videos embedded individually, they are below!

Algebra 2

An introduction to logs:

More on log laws:

Proof of log rules:

Radioactive decay:

Solving equations using the natural log (lnx):

Complex number – converting between polar and Cartesian co-ordinates:

Demoivre’s Theorem:

Multiplying and dividing in polar form:

How to find the roots of Complex Numbers:

More on the roots of Complex Numbers:

Graphing polar co-ordinates:

More graphing examples:

Equating real and imaginary parts to solve equations:

Complex conjugate pairs:

Proof by induction:

Another proof by induction example: