PrecalcAgain - MaplePrimes

Question:PrecalcAgain

Posted: BMullins13 80 Product: Maple

February 26 2009

#96

r=625 theta=pi/2

I found the 4th root of 625....it = 5.

Now, I'm supposed to use DeMoivre's Theorem. Then divide pi/2 by 4 and add k/4 times 2pi with k going between 0 and 3.

The 2nd angle should be 5pi/8, third should be 9pi/8, and the last should be 13pi/8.

((Show me how please. Thanks!))

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