Re: parametric: x = cos(t), y = sin(t)

In article <slrnflmsg8.vcf.dbast0s@[EMAIL PROTECTED]
>, Daniel C. Bastos
<dbast0s@[EMAIL PROTECTED]
> wrote:

> In article <081220072320219637%plsperry@[EMAIL PROTECTED]
>,
> Paul Sperry wrote:
> 
[...]
> >  Sometimes I want the geometric trig functions -
> > the usual ratios; sometimes I want them just to be particular
functions
> > of real numbers. It is non-trivial to show that the two coincide. My
> > discussion of angles was mainly just to point out that there was more
> > there than meets the eye. 
> 
> I'm interested in showing the two coincide; if you recall books from the
> top of your head that do show it, or provide details about it, I'd like
> to have their names; even if I don't currently have background to read
> them, the day may come.

Rudin's "Principles of Mathematical Analysis" i.e. "Baby" Rudin. This
should be in everyone's library anyway; Amazon sells a paperback which
isn't _too_ expensive.

[...]

-- 
Paul Sperry
Columbia, SC (USA)