Q. 503.9( 9 Votes )

Differentiate each of the following w.r.t x:

If . Prove that .

Answer :

Given: Value of

To Prove:

The formula used: (i)


Let x = cos2θ

2θ = cos-1x

θ = cos-1x

Putting x = cos2θ

Dividing by cosθ in the numerator and denominator

Now Differentiating

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