Question

De Moivres Law @hartnn

Answer 1

Prove that

\[(Cos \theta+iSin \theta)^n=Cosn \theta+iSinn \theta\]

Answer 2

so u want to prove that law.....
one way i can think of is to put cos theta and sin theta in terms of e^ i theta...

Answer 3

Please Show me how you do it :)

Answer 4

i think proof by induction would be easier... u know what is proof by induction ?