Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 1 - Limits and Their Properties - 1.3 Exercises: 70



Work Step by Step

$\lim\limits_{\phi\to\pi}(\phi\sec{\phi})=\pi\sec{\pi}=-\pi.$ We don't have an indeterminate form hence we just plug in the value of $\phi$ and get the final result.
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