Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 11 - Test: 6b

Answer

$\cos47^{\circ}$

Work Step by Step

In $\cos\theta$, as $\theta$ becomes larger, $\cos\theta$ becomes smaller. Therefore smaller $\theta$ will yield a larger $\cos\theta$. Hence, $\cos47^{\circ}$ is larger than $\cos48^{\circ}$.
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