De Moivre's theorem states that (r cis q) n. = r. n. cis nq, where cis x = cos x + i sin x.
http://wiki.answers.com/Q/What_is_De_Moivre's_theo...

The formula is important because it connects complex numbers.
http://www.chacha.com/question/whatisdemoivre's...

http://mathforum.org/library/drmath/sets…. See this site for lots about the theorem.
http://answers.yahoo.com/question/index?qid=201207...

Recall: De Moivre's Theorem is a formula for calculating powers of complex numbers. It states that for any real number x and any integer n, (cosx + isinx)n = cos(nx) + isin(nx) Here
http://www.webanswers.com/science/math/aboutdemo...
