Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 14 Trigonometric Graphs, Identities, and Equations - Chapter Review - Page 968: 27

Answer

$\sqrt3+2$

Work Step by Step

Using the given formula and the known values: $\tan (75^\circ)=\frac{\tan 120^\circ-\tan 45^\circ}{1+\tan 120^\circ\tan 45}=\frac{-\sqrt3-1}{1-(-\sqrt3)1}=\sqrt3+2$
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