On Wed, Apr 23, 2008 at 11:52 AM, Hector Villafuerte <[EMAIL PROTECTED]> wrote:
>
>
> On Wed, Apr 23, 2008 at 9:39 AM, William Stein <[EMAIL PROTECTED]> wrote:
> >
> > On Wed, Apr 23, 2008 at 8:34 AM, Hector Villafuerte <[EMAIL PROTECTED]>
> wrote:
> > >
> > > Hi,
> > > I haven't been
On Wed, Apr 23, 2008 at 9:39 AM, William Stein <[EMAIL PROTECTED]> wrote:
>
> On Wed, Apr 23, 2008 at 8:34 AM, Hector Villafuerte <[EMAIL PROTECTED]>
> wrote:
> >
> > Hi,
> > I haven't been able to 'expand' trigonometric functions in Sage using
> > identities such as:
> > sin(x + y) = s
On Wed, Apr 23, 2008 at 8:34 AM, Hector Villafuerte <[EMAIL PROTECTED]> wrote:
>
> Hi,
> I haven't been able to 'expand' trigonometric functions in Sage using
> identities such as:
> sin(x + y) = sin(x)*cos(y) + sin(y)*cos(x)
>
> Is this currently implemented?
sage:
sage: var('x,y')
(x, y)
s
