Comment #15 on issue 458 by smi...@gmail.com: radsimp() makes expressions more complex.
http://code.google.com/p/sympy/issues/detail?id=458
Actually, the explosion of size was already fixed in master, but the other issues (which I will enumerate in the commit message) are addressed by the pull request.
-- You received this message because you are subscribed to the Google Groups "sympy-patches" group. To post to this group, send email to sympy-patches@googlegroups.com. To unsubscribe from this group, send email to sympy-patches+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-patches?hl=en.