SOLUTION: Please help me solve this question in De Moivre's Theorem: What are the 4th roots cis(120º)? (Answer using cis(x) notation where x is assumed to be in degrees.) Do not inclu

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Question 983186: Please help me solve this question in De Moivre's Theorem:
What are the 4th roots cis(120º)?
(Answer using cis(x) notation where x is assumed to be in degrees.)
Do not include the degree symbol in your answers.
Thank you.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What are the 4th roots cis(120º)?
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= cis(30), cis(120), cis(210), cis(300)