Question

if f(x) = sin (e^-x), then f' (x) =

Answer 1

-cos(e^-x)*(e^-x)

Answer 2

suppose u = e^-x

find d(sin(u))/du ----1
then find d(u)/dx = d(e^-x)/dx ---2

multiply them and you will have answer. and remember this is called chain rule.

Answer 3

thanks for explaining @experimentX

Answer 4

np

Answer 5

could some that be worked out??