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If $x = \sin θ |\sin θ|, y = \cos θ |\cos θ|, w h e r e \frac{99 π}{2} \leq θ \leq 50 π t h e n$

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Correct option is D

99π2≤θ≤50π is equivalent to 3π2≤θ≤2π∴x=−sin2θ and y=cos2θ ∴y−x=1

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If x=sinθsinθ,y=cosθcosθ, where 99π2≤θ≤50π then

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If $x = \sin θ |\sin θ|, y = \cos θ |\cos θ|, w h e r e \frac{99 π}{2} \leq θ \leq 50 π t h e n$