Question

Question #5743e

Answer 1

`2sin^2x`.

Explanation:

I have edited the Problem, as shown above.

The Soln. to the edited Problem is as follows :

The Exp.`=(1−cot^2x)/(1+cot^2x)+1`

`=((1-cot^2x)+(1+cot^2x))/(1+cot^2x)`

`=2/csc^2x`

`=2sin^2x`.