Question

differentiate tan2x with respect to x​

Answer 1

Welcome to the concept of the chain rule.

According to chain rule:let f be a real valued function which is a composite of two functions u and v. i.e ,f= vou . suppose t= u(x) and both dt/dx and

dv/dx exist.we have

df/dx=( dv/dt)(dt/dx)

Yr answer is 2 sec^2 (2x).