If x = a(1 - u) , y = a(u + u) , then dy dx is :
Mathematics · Class 12 · CBSE — Continuity and Differentiability
If \(x = a(1 - \cos u)\), \(y = a(u + \sin u)\), then \(\dfrac{dy}{dx}\) is :
- \(-\cot \dfrac{u}{2}\)
- \(\operatorname{cosec} \dfrac{u}{2}\)
- \(\tan \dfrac{u}{2}\)
Answer
(D)
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