[2(cos(pi/3)+isin(pi/3))]^(.5)

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

Printable View

- July 1st 2010, 11:51 AMsqueeze101Find the roots of a complex number
[2(cos(pi/3)+isin(pi/3))]^(.5)

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 - July 1st 2010, 02:01 PMTKHunny
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 .

- July 2nd 2010, 04:46 AMHallsofIvy
What

**are**and ? You should be able to give exact values. ( radians is the same as 30degreees.)