Mark (√) against the correct answer in each of the following:
To find: Value of 
Formula used: 
We have, 
… (i)
Let x = cosθ , ⇒ θ = cos-1x
⇒ dx = -sinθ dθ
If x = cosθ ,
Then 
= sinθ
Taking 1st function as 
and second function as 
1
Mark (√) against the correct answer in each of the following:
To find: Value of
Formula used:
We have, … (i)
Let x = cosθ , ⇒ θ = cos-1x
⇒ dx = -sinθ dθ
If x = cosθ ,
Then = sinθ
Taking 1st function as and second function as