Write the composite function in the form f(g(x)). (Identify the inner function u=g(x) and the other function y=f(u).) Then find the derivative dy/dx.

1. y=sin(e^x)

2. y=(1-x^2)^10

I know the answer to number two is -20x(1-x^2)^9 but i don't know how to get to either answer.