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If x=a(cost+tsint)a n d y=a (sin t - t c...

If `x=a(cost+tsint)a n d` y=a (sin t - t cos t), then find the value of `(d^2y)/(dx^2)` at `t=pi/4` .

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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
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