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Re: Trigonometric simplification

  • To: mathgroup at
  • Subject: [mg68888] Re: [mg68838] Trigonometric simplification
  • From: Bob Hanlon <hanlonr at>
  • Date: Tue, 22 Aug 2006 05:20:25 -0400 (EDT)
  • Reply-to: hanlonr at
  • Sender: owner-wri-mathgroup at

They're not equal.



Simplify[r//TrigReduce,Element[a, Reals]]


FullSimplify[r//TrigToExp,Element[a, Reals]]


Bob Hanlon

---- carlos at wrote: 
> As an intermediate result of some calculations I have
> the expression
>    r=Tan[a]^2/(Sec[a]^2)^(3/2)
> where a is real. How can I coerce Mathematica into
> simplifying that to
>    r=Cos[a]*Sin[a]^2
> Both Simplify and FullSimplify with assumptions on a
> fail to get the simpler form.

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