trigonometric simplification

• Subject: trigonometric simplification
• From: Barton Willis
• Date: Wed, 27 Feb 2008 06:13:30 -0600

Try rootscontract followed by trigsimp:

  (%i7) trigsimp(rootscontract(sqrt(1-sin(x))*sqrt(1+sin(x))));
  (%o7) abs(cos(x))

Barton

-----maxima-bounces at math.utexas.edu wrote: -----

>Hello all, which of the Maxima functions simplifies
>
>sqrt(1-sin(x))*sqrt(1+sin(x))
>
>into
>
>cos(x) ?

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