On Tue, 15 May 2007, Doug Stewart wrote:
> I was showing my students how to use Maxima to check their homework.
>
> When I got to this part of the example I got a surprise.
> integrate(sin(x)*cos(x),x)
>
> maxima said it was -cos^2(x)/2 and my book said it was sin^2(x)/2 so I
> looked it up in shaums formula book
> and it said sin^2(x)/2.
These 2 results differ by a constant, and therefore are equally correct.
Andrey