Answer
False.
$sin~45°+cos~45°\ne1$
Work Step by Step
$sin~45°+cos~45°=\frac{\sqrt 2}{2}+\frac{\sqrt 2}{2}=\frac{2\sqrt 2}{2}\ne1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
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
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