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-       Evaluate the cube root of  z=27cis(240) . Then raise them to the cube. Show the steps of your reasoning

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z1 = 3cis(80) z2 =... View the full answer

De Moivre's Theorem.jpg

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We are given z = 2 7 c i s ( 2 4 0 ) we need to evaluate cube root z 1 / 3 = [ 2 7 c i s... View the full answer

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