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Re: exponentials to sines and cosines

  • To: mathgroup at smc.vnet.net
  • Subject: [mg42645] Re: exponentials to sines and cosines
  • From: Bas Zoetekouw <news200307 at caradhras.net>
  • Date: Sat, 19 Jul 2003 03:19:29 -0400 (EDT)
  • References: <bf8ern$5la$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Will Self wrote in comp.soft-sys.math.mathematica:
>  2.  The following function was returned by Mathematica as the solution of a
>  differential equation.  This function is real.  How do I get Mathematica to
>  write it in terms of Sines and Cosines?
>  
>  f[x_]=(1 + E^(x + (-1)^(1/3)*x) + E^((-1)^(1/3)*x + (-1)^(2/3)*x))/
>           E^((-1)^(1/3)*x)

ExpToTrig

-- 
Kind regards,
  Bas Zoetekouw               ``Si l'on sait exactement ce que l'on va
                                faire, a quoi bon le faire?''
  bas at o2w.nl                                           Pablo Picasso


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