Question

Помогите пожалуйста
f(x)=cos(x^3)

Answer 1

1)f(x)=cos(x^3)
d/du [cos (u)]d/dx [x^3]
-sin(u)d/dx [x^3]
-sin(x^3)d/dx [x^3]
-sin(x^3)(3x^2)
-3sin(x^3)x^2
-3x^2 sin(x^3)