Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.(5(cos 315° + i sin 315°))5
A. 3.536 + 3.536i
B. -2209.709 + 2209.709i
C. 2209.709 + 2209.709i
D. -3.536 + 3.536i
Answer: B
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