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Re: Trigonometry

  • To: mathgroup at smc.vnet.net
  • Subject: [mg118200] Re: Trigonometry
  • From: Peter Pein <petsie at dordos.net>
  • Date: Sat, 16 Apr 2011 07:34:33 -0400 (EDT)
  • References: <in3uvd$hqe$1@smc.vnet.net>

Am 01.04.2011 09:30, schrieb Michaël ELBAZ:
> Hello,
>
> With the input "(Cos[x])^2 + (Sin[x])^2", can we get the output "1" ?!
>
> Thanks
>
just to name a few other:

In[1]:= #1[Cos[x]^2 + Sin[x]^2]& /@
  {Simplify, FullSimplify, TrigReduce, TrigExpand, TrigFactor, TrigToExp}
Out[1]= {1,1,1,1,1,1}

Peter


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