Problem 93 Hint

The following formulas you may find useful:

ex = Σ (n=0 to infinity) (xn/n!).

sin(x) = Σ (n=0 to infinity) (-1)n*x2n+1/(2n+1)!.

cos(x) = Σ (n=0 to infinity) (-1)n*x2n/(2n)!.

Michael Shackleford, ASA, August 2, 1999