SOLUTION: Choose the correct x + yi form for: 4(cos 240o + i sin 240o)
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Question 43295
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Choose the correct x + yi form for: 4(cos 240o + i sin 240o)
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fractalier(6550)
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From 4(cos 240° + i sin 240°) we evaluate the trig functions and get
4((-1/2) + i*(-sqrt(3)/2)) =
-2 - 2i*sqrt(3)