Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Acute Angles and Right Triangles - Section 2.1 Trigonometric Functions of Acute Angles - 2.1 Exercises - Page 53: 3


$\tan45^{\circ}= 1$

Work Step by Step

$\tan\theta = \frac{\sin\theta}{\cos\theta}$ $\tan45^{\circ}= \frac{\sin45^{\circ}}{\cos45^{\circ}}$ Function Value for $\sin45^{\circ} = \cos45^{\circ} =\frac{\sqrt 2}{2} $ $\tan45^{\circ}=\frac{\frac{\sqrt 2}{2}}{\frac{\sqrt 2}{2}}= 1$
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