Question:Extend the function f(a,b) = (sin a - sin b)/ (a-b) so that it is
on...
Question
Extend the function f(a,b) = (sin a - sin b)/ (a-b) so that it is
on...
Extend the function f(a,b) = (sin a - sin b)/ (a-b) so that it is
on the whole plane R^2. then, extend it so its differentiable on
the whole plane. justify your answer.