SOLUTION: Choose the correct x + yi form for: 2(cos 120o + i sin 120o)

SOLUTION: Choose the correct x + yi form for: 2(cos 120o + i sin 120o)

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Question 43294: Choose the correct x + yi form for: 2(cos 120o + i sin 120o)
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
From 2(cos 120� + i sin 120�) we evaluate the trig functions and get
2((-1/2) + i*sqrt(3) / 2) =
-1 + i*sqrt(3)
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