What is the second derivative value for the function g(x)=sin (9x)?

Expert Answers

An illustration of the letter 'A' in a speech bubbles

We have the function g(x) = sin 9x.

We have to find the second derivative of g(x). We use the chain rule here.

g(x) = sin 9x

=> g'(x) = 9 cos 9x

=> g''(x) = -81 sin 9x

The required second derivative is -81 sin 9x

Approved by eNotes Editorial Team