Answer
True.
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.
Calculus, 10th Edition (Anton)
by Anton, Howard
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
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