> > Despite the fact ther there is more elaborated interface to expansion
> > of trigonometric functions in expand_trig, simplify_full blindly
> > applies trigexpand.
>
> > I was not able to find in tracs, why has this bee added.
Just FYI, it was probably added simply to have some functionality
ma...@mendelu.cz schrieb:
> Dear developers, I looked into sage/symbolics/expressions.pyx and the
> definition of simplify_trig().
>
> This funciton applies trigsimp and trigexpand from Maxima and as a
> result,
> sage: (tan(3*x)).simplify_full()
> gives terrible result
> (4*cos(x)^2 - 1)*sin(x)/(
