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OpenStudy (anonymous):
Express the complex number in trigonometric form. -2 + 2square root of three i
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OpenStudy (freckles):
\[-2+2 \sqrt{3} i \\ 2(-1+\sqrt{3} i)\] so let's look at just \[-1+\sqrt{3}i\] for now |dw:1431468166994:dw| you need to find theta there
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