Re: x-ArcSin[Sin[x]]

*To*: mathgroup at smc.vnet.net*Subject*: [mg50131] Re: x-ArcSin[Sin[x]]*From*: Paul Muller <paul.muller-at-epfl.ch at sicinfo2.epfl.ch>*Date*: Mon, 16 Aug 2004 06:45:42 -0400 (EDT)*References*: <200408110953.FAA04108@smc.vnet.net> <cfffgn$ilf$1@smc.vnet.net> <200408130956.FAA03696@smc.vnet.net> <cfkaun$fcc$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Thank you Dr Bob, that was exactly what I needed! Paul DrBob wrote: > One typical situation is that you know Sin[theta] AND Cos[theta]. In that case, ArcTan[Cos[theta],Sin[theta]] is more likely to come out in the proper quadrant. I don't know if that will help in your problem. > > Bobby

**References**:**x-ArcSin[Sin[x]]***From:*Paul Muller <paul.muller-at-epfl.ch@sicinfo2.epfl.ch>

**Re: x-ArcSin[Sin[x]]***From:*Paul Muller <paul.muller-at-epfl.ch@sicinfo2.epfl.ch>