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Re: Sqrt[Sin^2(x)]=Sin(x)....????

  • To: mathgroup at smc.vnet.net
  • Subject: [mg16329] Re: [mg16217] Sqrt[Sin^2(x)]=Sin(x)....????
  • From: BobHanlon at aol.com
  • Date: Sun, 7 Mar 1999 01:05:49 -0500
  • Sender: owner-wri-mathgroup at wolfram.com

In a message dated 3/5/99 8:09:48 AM, agresti at fi.infn.it writes:

>Can I get the following result:
>Sqrt[Sin^2(x)]=Sin(x) ???
>If so, how??
>

Alessandro,

You have the exponent in the wrong position

Sqrt[Sin[x]^2] // PowerExpand

Sin[x]


Bob Hanlon


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