Question

find second order derivative of X=a cosO ,y=b sin O​

Answer 1

Answer:

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Answer 2

Answer:

X=a cos t

$\frac{dx}{dt} = - a \: sint$

$\frac{ {d}^{2}x }{d {t}^{2} } = - a \: cost$

y=b sin t

$\frac{dy}{dt} = b \: cost$

$\frac{ {d}^{2}x }{d {t}^{2} } = b \: sint$