Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 6 - 6.2 - Right Triangle Trigonometry - 6.2 Exercises - Page 444: 75


False. $sin~45°+cos~45°\ne1$

Work Step by Step

$sin~45°+cos~45°=\frac{\sqrt 2}{2}+\frac{\sqrt 2}{2}=\frac{2\sqrt 2}{2}\ne1$
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