Question
Arc Length In Exercises 95 and $96,$ use the integration capabilities of a graphing utility to approximate the are length of the curve over the given interval. $$y=\tan \pi x, \quad\left[0, \frac{1}{4}\right]$$
Step 1
The derivative of $\tan(x)$ is $\sec^2(x)$, so the derivative of $\tan(\pi x)$ is $\pi \sec^2(\pi x)$ by using the chain rule. Show more…
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