If z = 2 + 2i, what is z4? a)2 StartRoot 2 EndRoot (cosine (StartFraction pi Over 4 EndFraction) + I sine (StartFraction pi Over 4 EndFraction) )

b)2 StartRoot 2 EndRoot (cosine (pi) + I sine (pi) )

c)64 (cosine (StartFraction pi Over 4 EndFraction) + I sine (StartFraction pi Over 4 EndFraction) )

d)64 StartRoot 2 EndRoot (cosine (pi) + I sine (pi) )

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66answer:

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answer: your correct answer is b. d.

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i wish i could you, i have no idea how to answer this

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