If x=k(\theta+ \sin \theta) and y=k(1+\cos \theta), then what is the derivative of y with respect to x at \theta=\pi \/ 2 ?

UPSC NDA II 2010 Mathematics Paper

Question : 12 of 120

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If x=k(θ+sin‌θ) and y=k(1+cos‌θ), then what is the derivative of y with respect to x at θ=π∕2 ?

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