Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 3 - Test - Page 172: 16



Work Step by Step

Step 1: Ensure that the calculator is in radians. Step 2: Type $\cos 5$ into the calculator and press enter. Step 3: Rounding out the answer to 4 decimal places, we get $\cos 5\approx0.2837$.
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