express the roots of unity in standard form a+bi.

Question

1.) cube roots of unity

2.) fourth roots of unity

3.) sixth roots of unity

4.) square roots of unity

Answer 1

The following link will explain in detail the roots of unity.

If you have answers to be checked, feel free to post them.

Answer 2

I don't see the link. I don't think this website allows you to put up links

Answer 3

Sorry, it was my omission.

http://en.wikipedia.org/wiki/Root_of_unity