NDA Math Differentiation

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Consider the curve x=a(cos‌θ+θ‌sin‌θ) and y=a(sin‌θ−θ‌cos‌θ)
[NDA II 2014]
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Question : 57 of 64
 
Marks: +1, -0
What is
dy
dx
equal to ?
[NDA II 2014]
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