UPSC CDS Math Trigonometric Ratios and Trigonometric Identities Questions

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Question : 48 of 107
 
Marks: +1, -0
If 2y‌cosθ=x‌sinθ and 2x‌secθ−y‌cosecθ=3, then what is x2+4y2 equal to ?
[2016 CDS-II]
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