Let x and y be real numbers such that (s...

Let x and y be real numbers such that `(sin x)/(sin y)=3 and (cos x)/(cos y)=1/2.` The value of `(sin 2 x)/(sin 2 y)+(cos 2 x)/(cos 2 y)` is `(i) 49/58 (ii) 41/58 (iii) 51/58`(iv) none of these

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