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 - Investigating Algebra Activity - 14.3 Investigating Trigonometric Identities - Draw Conclusions - Page 923: 5

Answer

no x-values.

Work Step by Step

Using a graphing calculator (see attached image), this is true for no x-values. This is not surprising since sine and cosine functions with an amplitude of 1 range from -1 to 1.
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