Question

How do you differentiate given `y = (x^2 tan x) / (sec x)`?

Answer 1

`(dy)/(dx)=2xsinx+x^2cosx`

Explanation:

`y=(x^2tanx)/secx=(x^2sinx/cosx)/(1/cosx)=x^2sinx`

Now using product rule

`(dy)/(dx)=2xsinx+x^2cosx`