Question

f(x)=(1+secx)(x^2-tanx) For f '(x) I have:
(1+secx)(2x-sec^2x)+(x^2-tanx)(secxtanx)
Is this correct? If so, does it need to be simplified further?

Answer 1

u have applied the product rule correctly
it would be better if u simplify this more :-P

Answer 2

Thanks