14-08-2019
Mathematics

contestada

Which of the following is an argument of one of the fifth roots of 32(cos80° + isin80°)?
72°
16°
5°
2°

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14-08-2019

Answer:

16°

Step-by-step explanation:

The arguments of the 5th root will be 80°/5 = 16° plus multiples of 360°/5 = 72°, so will be from the set {16°, 88°, 160°, 232°, 304°}.

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