`y = cos(a^3 + x^3)` Find the derivative of the function.

Expert Answers
gsenviro eNotes educator| Certified Educator

`y' = d/dx cos(a^3 +x^3)`

`= -sin (a^3+x^3) *d/dx(x^3)`

`= -3x^2 sin(a^3+x^3)`

``Hope this helps.

balajia | Student

`y=cos(a^3+x^3)`

`y'=-sin(a^3+x^3).(3x^2)`

`y'=-3x^2sin(a^3+x^3)`