Sine and Cosine Accuracy

[Scott Robert Ladd]

Gabriel Dos Reis wrote:
> Scott Robert Ladd <scott.ladd@coyotegulch.com> writes:
> | I've never quite understood the necessity for performing trig operations
> | on excessively large values, but perhaps my problem domain hasn't
> | included such applications.
> 
> The world is flat; I never quite understood the necessity of spherical
> trigonometry.

For many practical problems, the world can be considered flat. And I do
plenty of spherical geometry (GPS navigation) without requiring the sin
of 2**90. ;)

..Scott