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Complex Numbers

What you have to know :

  • You must know the vector properties

    (If not check this lesson)

  • How to use trigonometry

    (If not check this lesson)

Basic operations
1. Watch this video
2. The imaginary i. Watch this presentation
3. Basic operations. Watch this presentation2
3. Conjugates. Watch this presentation2

What you have to know :

  • You must be able to solve quadratic equations. 

    (If not check this lesson)

  • How to use trigonometric properties

    (If not check this lesson)

The complex plane
1. Watch this video
1. The argand diagram. Watch this presentation
2. Cis-Euler.  Watch this presentation
3. Cis operations. Watch this presentation
4. Argand extened. Watch this presentation

What you have to know :

  • You must be able to solve quadratic equations. 

    (If not check this lesson)

  • How to use trigonometric properties

    (If not check this lesson)

Euler's form / De Moivre Theorem
1. Watch this video
1. IB past paper question in complex numbers and vector geometry. Watch the video.

Now Lets Practice!

  • Solve the problems.

     

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