how can I simplify sqrt(1-sin(x)*sin(x)) to |cos(x)|

• Subject: how can I simplify sqrt(1-sin(x)*sin(x)) to |cos(x)|
• From: xiaolei zhang
• Date: Fri, 22 Sep 2006 13:15:35 +0800

Hello everybody:

I an new to maxiam, how can I simplify sqrt(1-sin(x)*sin(x)) to |cos(x)|
?

thanks.

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