Question
If $x=a \cos \theta, y=b \sin \theta$, find $\frac{d^{2} y}{d x^{2}}$
Step 1
\begin{align*} \frac{dy}{d\theta} &= b \cos \theta, \\ \frac{dx}{d\theta} &= -a \sin \theta. \end{align*} Show more…
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