Re: Hyperbolic function identity
- To: mathgroup at smc.vnet.net
- Subject: [mg50947] Re: [mg50932] Hyperbolic function identity
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Wed, 29 Sep 2004 03:15:11 -0400 (EDT)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
expr = ArcCosh[1+z^2/2]-2*ArcSinh[z/2]; FullSimplify[TrigToExp[expr], z>0] 0 Bob Hanlon > > From: carlos at colorado.edu (Carlos Felippa) To: mathgroup at smc.vnet.net > Date: 2004/09/28 Tue AM 12:58:52 EDT > To: mathgroup at smc.vnet.net > Subject: [mg50947] [mg50932] Hyperbolic function identity > > Why > > FullSimplify[ArcCosh[1+z^2/2]-2*ArcSinh[z/2],z>0]; > > does not evaluate to 0? > >