Multiple Choice Questions on If 2y cos xsin and 2x sec y cosec 3 then what is the value of x2 4y2 equal to ........ for CDS Exam Preparation

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Multiple Choice Questions

If 2y cos xsin and 2x sec y cosec 3 then what is the value of x2 4y2 equal to ........

Quantitative Aptitude (CDS) Trignometry
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    If 2y cos\theta= xsin\theta and 2x sec\theta - y cosec\theta =3 , then what is the value of x2 + 4y2 equal to?

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