murrayc murrayc

20-04-2020
Mathematics

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Find the fourth roots of 256(cos 280° + i sin 280°)

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mccorkelisabella03 mccorkelisabella03

25-01-2021

Answer: r(cosx+isinx)

r^(1/n)(cos(x/n)+isin(x/n))

256^(1/4)(cos(280/4)+isin(280/4))

4(cos70+isin70)

Step-by-step explanation:

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