Re: Simplifying ArcTan
- To: mathgroup at smc.vnet.net
- Subject: [mg55542] Re: [mg55526] Simplifying ArcTan
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Tue, 29 Mar 2005 03:42:27 -0500 (EST)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
{Cos[Pi/2],Tan[Pi/2]}
{0,ComplexInfinity}
Simplify[ArcTan[Cos[x],Sin[x]],0<=x<Pi/2]
x
Bob Hanlon
>
> From: "fizzy" <fizzycist at knology.net>
To: mathgroup at smc.vnet.net
> Date: 2005/03/28 Mon AM 02:42:04 EST
> To: mathgroup at smc.vnet.net
> Subject: [mg55542] [mg55526] Simplifying ArcTan
>
>
> Why does FullSimplify[ ArcTan[ Cos[x], Sin[x] , x>=0 && x <= Pi/2 ]
> not output x ?
>
>
> Thanks...jerry blimbaum
>
>
Bob Hanlon
Chantilly, VA