SSC CGL 2016 PYQ — Question 91

SSC CGL Tier II Quant - 01/12/2016 • Quantitative Aptitude • Q91

If 2y cos θ = x sin θ and 2x sec θ − y cosec θ = 3, then the value of x2 + 4y2 is

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Correct answer: D

Explanation

The correct option is 4.

letθ = 45°

2y= x= 2y = x

2x - y = {substituting y = }

y = 

value of