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April 20, 2014

Homework Help: Pre-calculus

Posted by Lucy on Tuesday, September 30, 2008 at 3:45pm.

I am having difficulty with two problems:

1) Evaluate (1+i)^12 by using DeMoivre's Theorem. Express the result in rectangular form.
So far I have: r=sqrt(1)^2+(1)^2 which simplified is sqrt2. Don't know how to proceed.

2) Write the polar equation theta = 45 degrees in rectangular form.
I don't even know how to proceed to do this.

Any help would be great!

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