Subject: Bug in changevar. Should I submit the bug report?
From: Robert Marik
Date: Fri, 23 Mar 2012 10:19:16 +0000 (UTC)
Robert Marik <marik <at> mendelu.cz> writes:
>
> Raymond Toy <toy.raymond <at> gmail.com> writes:
> > I don't follow here, but I guess you really meant cos(x)^(1/6)*sin(x),
> > as your example shows.? This works because solve(t=cos(x),x) works.
> >
Oops, sorry, Raymond is right. This was my mistake. I checked it again and
changevar sin(x)+cos(x)=t for (sin(x)+cos(x))^(1/6)*(cos(x)-sin(x)) returns the
same integral.
R.M.