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Re: How to semi-ExpToTrig

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131765] Re: How to semi-ExpToTrig
  • From: "Dr. Wolfgang Hintze" <weh at snafu.de>
  • Date: Mon, 30 Sep 2013 05:17:15 -0400 (EDT)
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Am Montag, 30. September 2013 07:18:41 UTC+2 schrieb sam.... at yahoo.com:
> Hi,
> 
> 
> 
> Could I get Mathematica to "simplify" an expression, such as
> 
> 
> 
> E^(1 + x) + E^(1 - x)
> 
> 
> 
> to 2E*Cosh[x] ?
> 
> 
> 
> Thanks!
> 
> 
> 
> Sam

In[2]:= f = E^(1 + x) + E^(1 - x)

Out[2]= E^(1 - x) + E^(1 + x)

In[6]:= Simplify[ExpToTrig[f]]

Out[6]= 2*E*Cosh[x]

Regards,
Wolfgang



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