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Re: How to semi-ExpToTrig

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131764] Re: How to semi-ExpToTrig
  • From: "Nasser M. Abbasi" <nma at 12000.org>
  • Date: Mon, 30 Sep 2013 05:16:55 -0400 (EDT)
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  • Reply-to: nma at 12000.org

On 9/30/2013 12:18 AM, sam.takoy at yahoo.com wrote:
> Hi,
>
> Could I get Mathematica to "simplify" an expression, such as
>
> E^(1 + x) + E^(1 - x)
>
> to 2E*Cosh[x] ?
>
> Thanks!
>
> Sam
>

--------------
r = E^(1 + x) + E^(1 - x);
r = E ExpToTrig[Collect[r1, E]/E]
--------------

2*E*Cosh[x]

--Nasser



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