On 26/08/2008, at 5:09 PM, Burcin Erocal wrote: > In[]:= Assuming[0<x, Assuming[x<Pi/2 ,ArcCos[Cos[x]]]] > Out[]= ArcCos[Cos[x]]
In[]:= Simplify[ArcCos[Cos[x]], Assumptions -> 0 < x < Pi/2] Out[] = x ================================== David J Philp Postdoctoral Fellow National Centre for Epidemiology and Population Health Building 62, cnr Mills Rd & Eggleston Rd The Australian National University Canberra ACT 0200 Australia T: +61 2 6125 8260 F: +61 2 6125 0740 M: 0423 535 397 W: http://nceph.anu.edu.au/ CRICOS Provider #00120C --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---