Complex Numbers, Polar Form, De Moivre's Formula
Answer all questions in attached document, showing all steps to find answers. Use exact answers for all questions. No numerical approximations (such as decimals).
Each question references a section of the study guide (attached in a seperate request titled "Study Guide" as I'm unable to attach more than one document) with related concepts and examples.
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Only mistakes (just for any future reference) are that 9 was not answered fully, a certain domain and range was wanted for 4b, and 2 needed a clear statement about whether or not they are equal.
The answer is accepted.
 answered
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