degrees and radians.

[Simon Foster]

"Tim Hammerquist" <tim at vegeta.ath.cx> wrote in message
news:slrnad77g9.r1q.tim at vegeta.ath.cx...

> > Radians are what trig is based on. Otherwise the formula for the area
> > of a circle would be 'A = 360r'; since when does a unit circle have an
> > area of 360 square units?
> >

Where do you get this from?  A = pi * r^2?

> > OTOH, `man 3 sin` on my system documents the sin() function of the C
> > math library _is_ documented as taking radians. On a POSIX system,
> > this is usually what is called by Ruby's Math.sin() method.
> >

Maybe he's not on Unix?