On 25 April 2010 21:44, Mike Hansen <[email protected]> wrote: > On Sun, Apr 25, 2010 at 1:39 PM, Dr. David Kirkby > <[email protected]> wrote: >> I can do the following in Mathematica. >> >> In[1]:= TrigReduce[ Sin[x] Cos[y]] >> >> Sin[x - y] + Sin[x + y] >> Out[1]= ----------------------- >> 2 >> >> Is there a way to get the same result in Sage? > > There is a trig_reduce method which gives something similar: > > sage: var('x,y') > (x, y) > sage: f = sin(x)*cos(y) > sage: f.trig_reduce() > -1/2*sin(-x + y) + 1/2*sin(x + y) > > --Mike
Thank you Mike. That looks like what I want. I've not tried it yet, but will hopefully do so soon. dave -- To post to this group, send an email to [email protected] To unsubscribe from this group, send an email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
