SOLUTION: What are three cube roots of -8i in rectangular coordinates? Question asks to give exact answers. Any assistance in solving this would be greatly appreciated! Thanks.

SOLUTION: What are three cube roots of -8i in rectangular coordinates? Question asks to give exact answers. Any assistance in solving this would be greatly appreciated! Thanks.

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Question 1083761: What are three cube roots of -8i in rectangular coordinates? Question asks to give exact answers.
Any assistance in solving this would be greatly appreciated! Thanks.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What are three cube roots of -8i in rectangular coordinates? Question asks to give exact answers.
---------
-8i --> 8cis(270)
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Cube roots are:
2cis(90), 2cis(210) and 2cis(330)

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