Mark (√) against the correct answer in each of the following:
To find: Value of 
Formula used:
We have, 
… (i)
Let x = tanθ , ⇒ θ = tan-1x
⇒ dx = sec2θ dθ
If x = tanθ ,
Then 1 + x2 = sec2θ
⇒ θ = sec-1
Taking 1st function as 
and second function as 
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
