Find the derivative.

g(x)=cos(x^6)

Isn't the answer -6xsin(x^6)

2 answers

(d(cos(u))dx = -sin(u)(du/dx)

for g(x)=cos(x^6)
(d g(x))/dx = -6(x^5)cos(x^6)
sorry for the mistake

(d g(x)/dx = -6(x^5) SIN (x^6)