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 - 1.5 Exercises: 44

Answer

$\lim\limits_{x\to\frac{\pi}{2}^+}\dfrac{-2}{\cos{x}}=+\infty.$

Work Step by Step

$\lim\limits_{x\to\frac{\pi}{2}^+}\dfrac{-2}{\cos{x}}=\dfrac{-2}{\cos{\frac{\pi}{2}^+}}=\dfrac{-2}{0^-}=+\infty.$
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