If \( x=3 \tan t \) and \( y=3 \sec t \), then the value of \( \frac{d^{2} y}{d x^{2}} \) at \( ...
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0If \( x=3 \tan t \) and \( y=3 \sec t \), then the value of \( \frac{d^{2} y}{d x^{2}} \) at \( t \)
P \( =\frac{\pi}{4} \), is;
[JEE Main - 2019 (January)]
W
(1) \( \frac{3}{2 \sqrt{2}} \)
(2) \( \frac{1}{3 \sqrt{2}} \)
(3) \( \frac{1}{6} \)
(4) \( \frac{1}{6 \sqrt{2}} \)
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