Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 2 - Limits - 2.6 Trigonometric Limits - Preliminary Questions - Page 76: 2


See the theorem below.

Work Step by Step

If we have the inequality $g(x)\leq f(x)\leq h(x)$ for all $x\neq c$ in the interval $I$ that contains $c$ and $\lim_{x\to c}g(x)=\lim_{x\to c}h(x)=L$ Then $\lim_{x\to c}f(x)=L$.
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