Calculus, 10th Edition (Anton)

Published by Wiley
ISBN 10: 0-47064-772-8
ISBN 13: 978-0-47064-772-1

Chapter 4 - Integration - 4.5 The Definite Integral - Exercises Set 4.5 - Page 308: 30



Work Step by Step

The function $\frac{cos(x)}{\sqrt{1+x^{2}}}$ is always positive on the interval $[-1,1]$, so the integral must be positive, or greater than 0.
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