SOLUTION: Evaluate the following expression: {{{(cos(40)+isin(40))^9}}} Thank you.

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Question 983333: Evaluate the following expression: %28cos%2840%29%2Bisin%2840%29%29%5E9
Thank you.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the following expression: %28cos%2840%29%2Bisin%2840%29%29%5E9
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= 1cis%2840%29%29%5E9
= 1%5E9cis%2840%2A9%29
= cis(360)
= 1