Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter F - Foundations: A Prelude to Functions - Section F.2 Graphs of Equations in Two Variables; Intercepts; Symmetry - F.2 Assess Your Understanding - Page 17: 39

Answer

(a) $(\pm\frac{\pi}{2},0),(0,1)$, (b) y-axis.

Work Step by Step

(a) Based on the given figure, we can find the intercepts as $(\pm\frac{\pi}{2},0),(0,1)$, (b) We can identify that the graph is symmetric with respect to the y-axis.
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