Q. 115.0( 2 Votes )

Choose the correc A. does not exist

B. 0

C. 1/2

D. 1/3

Answer :

Considering u,

Put x = cos θ

θ = cos-1x ----(1)

From (1)

Differentiating w.r.t x

Considering v,

Differentiating w.r.t x

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