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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