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Re: The formula of Abraham Moivre

  • To: mathgroup at smc.vnet.net
  • Subject: [mg106806] Re: [mg106792] The formula of Abraham Moivre
  • From: Adriano Pascoletti <adriano.pascoletti at dimi.uniud.it>
  • Date: Sun, 24 Jan 2010 05:38:47 -0500 (EST)
  • References: <201001231236.HAA16448@smc.vnet.net>

FullSimplify[(Cos[x] + I*Sin[x])^n, Element[n, Integers]] // ComplexExpand


Adriano Pascoletti

2010/1/23 Arnold <sender999ster at gmail.com>

> How by means of Mathematica to transform (Cos [x] +I* Sin [x]) ^n in Cos
> [n*x] +I*Sin [n*x]?
>
> Thanks.
>
>


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