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: Milan Lukic
Date: Thu, 21 Sep 2006 22:46:19 -0700
Hi Xiaolei,
Welcome to Maxima.
Try the following:
tellsimp(sin(x)^2,1-cos(x)^2);
then enter your expression: sqrt(1-sin(x)^2)
Hope this helps.
Milan
* xiaolei zhang <zhaxiaolei at gmail.com> [2006-09-22 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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