Posted by Yoshi on Wednesday, April 20, 2011 at 9:32pm.
express the roots of unity in standard form a+bi.
1.) cube roots of unity
2.) fourth roots of unity
3.) sixth roots of unity
4.) square roots of unity

precalculus  MathMate, Thursday, April 21, 2011 at 1:25pm
The following link will explain in detail the roots of unity.
If you have answers to be checked, feel free to post them.

precalculus  YOSHI, Thursday, April 21, 2011 at 8:32pm
I don't see the link. I don't think this website allows you to put up links

precalculus  MathMate, Thursday, April 21, 2011 at 11:21pm
Sorry, it was my omission.
http://en.wikipedia.org/wiki/Root_of_unity
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