Re: The formula of Abraham Moivre
- To: mathgroup at smc.vnet.net
- Subject: [mg106838] Re: The formula of Abraham Moivre
- From: Peter Breitfeld <phbrf at t-online.de>
- Date: Sun, 24 Jan 2010 05:44:55 -0500 (EST)
- References: <hjeqep$g0p$1@smc.vnet.net>
Arnold wrote: > How by means of Mathematica to transform (Cos [x] +I* Sin [x]) ^n in > Cos [n*x] +I*Sin [n*x]? > > Thanks. > (Cos[x] + I*Sin[x])^n // FullSimplify // PowerExpand // ExpToTrig -- _________________________________________________________________ Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de