Trig simplification

• Subject: Trig simplification
• From: Dan Stanger
• Date: Fri, 21 Nov 2003 08:43:06 -0500

Is there a way to simplify expressions involving arctan and sin and
cosine?
For example:
  sin(((atan(2 * x * sqrt(x^2 + 1)))/2)) or cos(((atan(2 * x * sqrt(x^2
+ 1)))/2))
Thanks,
Dan Stanger

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