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Re: Re: Re: simplify a trig expression

• To: mathgroup at smc.vnet.net
• Subject: [mg65469] Re: [mg65449] Re: [mg65436] Re: [mg65415] simplify a trig expression
• From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
• Date: Mon, 3 Apr 2006 06:59:35 -0400 (EDT)
• References: <200603311109.GAA15029@smc.vnet.net> <200604011038.FAA07301@smc.vnet.net> <200604020900.FAA01612@smc.vnet.net> <11D40ADD-9EC9-4DCE-B685-1CA00605B9B2@mimuw.edu.pl> <7DA1D73D-BB06-4603-BF9E-A81E29CCE524@mimuw.edu.pl>
• Sender: owner-wri-mathgroup at wolfram.com

On 2 Apr 2006, at 23:19, Andrzej Kozlowski wrote:

>>
>
> Although this makes no difference to the actual problem, there is  
> an obvious bug in the last line. It ought to be of course
>
> f[Sin[x_]^2] := (1/2)*(1 - Cos[x])
>

Let me try it again (sigh)

f[Sin[x_]^2] := (1/2)*(1 - Cos[2x])

Andrzej

• References:
  • Re: simplify a trig expression
    • From: Andrzej Kozlowski <akoz@mimuw.edu.pl>
  • Re: Re: simplify a trig expression
    • From: Murray Eisenberg <murray@math.umass.edu>