I simplified it to 2^(.5) * (cos(pi/6)+isin(pi/6)), but I have no idea what else to go to.
Any tips would be very helpful,
thx in advance
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You have not simplified anything. You have demonstrated half of DeMoivre's formula. Now move on to the other half. You should find two solutions separated by .
What are and ? You should be able to give exact values. ( radians is the same as 30degreees.)
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