Sin(x)

[Sascha Rissel <s_rissel@web.de>]

Hello,

I have a qustion about the sin(x)-function.

Why is cos(Pi) = -1 as it should be, but sin(Pi) = -5.04870979 E-29 and 
not exactly 0?
Other values of sin(x) are also a bit "out of place"...

Regards,

Sascha Rissel.