SOLUTION: Perform the indicated operation, and enter your answer in standard form: (3*(cos(60�)+isin(60�)))^4 Thank you kindly.

Question 984827: Perform the indicated operation, and enter your answer in standard form:
(3*(cos(60�)+isin(60�)))^4
Thank you kindly.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Use De Moivre's Theorem

Use a unit circle or trig table

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The exact answer as a fraction is . Notice it is in the form where and

The approximate answer is . Notice it is in the form where and (rounded to 5 decimal places)
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