Question: Question below 38. Simplify. Write your answer in rectangular form, a i bi. (2 (cos % + i sin 2))3 39. Simplify. Write all answers

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38. Simplify. Write your answer in rectangular form, a i bi. (2 (cos % + i sin 2))3 39. Simplify. Write all answers in polar form. 1 (80:05 120 + i sin 120))3

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