For the curve y = 3 sin cos , x=e^ , 0 , the tangent is parallel to x-axis when is:
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
For the curve y = 3 sin \(\theta\) cos \(\theta\), \(x=e^{\theta} \sin \theta, 0 \leq \theta \leq \pi,\) the tangent is parallel to x-axis when \(\theta\) is:
- \(\frac{3 \pi}{4}\)
- \(\frac{\pi}{2}\)
- \(\frac{\pi}{4}\)
- \(\frac{\pi}{6}\)
Answer
(C) 4
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