On 8/20/07, Milan Lukic <milan at eskimo.com> wrote:
> I don't understand how/why Maxima returns the following:
>
> (%i3)
> integrate(cos(x)-cos(x-c),x,0,c/2)=%pi-c-integrate(cos(x-c),x,c,%pi/2+c);
> Is c positive, negative, or zero?
>
> pos;
> (%o3) 2*sin(c/2)-sin(c) = -c+sin((4*%pi*false-%pi)/2)-sin(2*%pi*false)+%pi
Milan, thank you for pointing out this problem.
If you have not done so already, perhaps you can make a bug report:
http://sourceforge.net/tracker/?group_id=4933&atid=104933
Thanks for your help,
Robert Dodier