MathGroup Archive 2010

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: The formula of Abraham Moivre


Hi,

what about

ExpToTrig@
 Simplify[TrigToExp[(Cos[x] + I*Sin[x])^n], n \[Element] Integers]

?

Cheers
Patrick

On Sat, 2010-01-23 at 07:36 -0500, Arnold wrote:
> How by means of Mathematica to transform (Cos [x] +I* Sin [x]) ^n in Cos [n*x] +I*Sin [n*x]?
> 
> Thanks.
> 



  • Prev by Date: Re: The formula of Abraham Moivre
  • Next by Date: simple question for mathematica tool
  • Previous by thread: Re: The formula of Abraham Moivre
  • Next by thread: Re: The formula of Abraham Moivre