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MathGroup Archive 1990

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Trigonometry expansions

  • To: uiucuxc!yoda.ncsa.uiuc.edu!mathgroup
  • Subject: Trigonometry expansions
  • From: Steven Warwick <uiucuxc!hpsadsdw.hp.com!sdw>
  • Date: Tue, 17 Apr 90 7:38:24 PDT

Has anyone taken the time to define  trigonometric simplifications
of the form:

        Sin[ArcSin[x]]  -> x
        Sin[ArcTan[x/y]] ->  y/Sqrt[x^2+y^2]

               etc.

that can be added to the Algebra/trigonometry package???



--
Steven Warwick

Hewlett-Packard
sdw at hpsad



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