Moivre 2

Find the cube roots of 125(cos 288° + i sin 288°).

Correct answer:

r =  5
α1 =  96 °
α2 =  216 °
α3 =  336 °

Step-by-step explanation:

α1=288/3+0 360/3=96
α2=288/3+1 360/3=216
α3=288/3+2360/3=336 z1=5(cos96+isin96) z2=5(cos216+isin216) z3=5(cos336+isin336)

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