How do you differentiate f(x)=e^(cossqrtx) using the chain rule.?

1 Answer
Jun 21, 2016

e^cos(sqrt(x)) xx (-sin(sqrt(x))) xx 1/(2sqrt(x))

Explanation:

Understand this that this is in the form of f(g(h(x))) where f(x) = e^x, g(x)=cos(x) and h(x) = sqrt(x)

First, you need to know these things

d/dx(e^x)=e^x
d/dx(cos(x))=-sin(x)
d/dx(sqrt(x))=1/(2sqrt(x))

So, this becomes

Derivative = e^cos(sqrt(x)) xx (-sin(sqrt(x))) xx 1/(2sqrt(x))