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Re: TraditionForm Appears to be Inconsistent

  • To: mathgroup at smc.vnet.net
  • Subject: [mg99596] Re: TraditionForm Appears to be Inconsistent
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Fri, 8 May 2009 00:20:33 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <gtudpr$j63$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de

Hi,

TraditionalForm[HoldForm[Cos[x] == Sin[x + \[Pi]/2]]]

may help.

Regards
   Jens

uk.org.microserf at googlemail.com wrote:
> Hi
> 
> The Mathematica 7 documentation says that
> 
> TraditionalForm[Exp[I \[Theta]] == Cos[\[Theta]] + I Sin[\[Theta]]]
> 
> will display the expression in traditional form, and indeed it does.
> However, the following evaluates the expression and then displays True
> in traditional form:
> 
> TraditionalForm[Cos[x] == Sin[x + \[Pi]/2]]
> 
> Why is TraditionalForm behaving differently in these two apparently
> identical situations, and how can I get Mathematica to display this
> trigonometric identity in traditional form?
> 
> Thanks in advance
> 
> Chris
> 


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