Q. 94.0( 4 Votes )

Find , when

𝒳 = , 𝒴 =

Answer :

Theorem: y and x are given in a different variable that is θ . We can find by finding and and then dividing them to get the required thing.


=


=


= ………..(1)



=


= ……..(2)


Dividing (2) and (2), we get


=


=


= -( tan2θ)3/2


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