see inline: On Mon, Jun 11, 2012 at 5:55 PM, Chris Smith <[email protected]> wrote: > On Tue, Jun 12, 2012 at 3:20 AM, Kjetil brinchmann Halvorsen > <[email protected]> wrote: >> This MUST be a bug: >> >> In [29]: ( sin(s)*sin(t)-cos(s)*cos(t)).trigsimp() >> Out[29]: sin(s)⋅sin(t) - cos(s)⋅cos(t) >> > It works in my trigsimp branch > (https://github.comsee inline:/sympy/sympy/pull/772 which I closed for lack of > interest):
Then you should maybe consider reopening it? That seems a quitet basic functionality! Kjetil > >>>> cos(x+y).expand(trig=1) > -sin(x)*sin(y) + cos(x)*cos(y) >>>> simplify(_) > cos(x + y) > > /c > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. > -- "If you want a picture of the future - imagine a boot stamping on the human face - forever." George Orwell (1984) -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
