If x = 3 tan t and y = 3 sec t, then the value of d^ 2 y d x^ 2 at t= 4 , is:
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
If x = 3 tan t and y = 3 sec t, then the value of \(\frac{d^{2} y}{d x^{2}}\) at \(t=\frac{\pi}{4}\), is:
- \(\frac{3}{2 \sqrt{2}}\)
- \(\frac{1}{6}\)
- \(\frac{1}{6 \sqrt{2}}\)
- \(\frac{1}{3 \sqrt{2}}\)
Answer
(D) 1 3 2
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