Moivre’s Theorem問題

2010-11-18 6:49 am

Solve the following equation by de Moivre’s Theorem
圖片參考：http://imgcld.yimg.com/8/n/HA00193002/o/701011170152913873411890.jpg

回答 (2)

2010-11-19 4:59 am

✔ 最佳答案

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圖片參考：http://img253.imageshack.us/img253/5683/25147856.png

2010-11-18 20:59:58 補充：
http://img253.imageshack.us/img253/5683/25147856.png

2010-11-19 23:49:41 補充：
when you know θ, just calculate the result as 0.95627cosθ + 0.95627sinθ j to get the results.

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2010-11-20 10:06 pm

z^3 = (3-2i)/(4-i) = (3-2i)/(4-i) x (4+i)/(4+i) = (14-5i)/17
...

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