Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.2 - Trigonometric Functions: The Unit Circle - Concept and Vocabulary Check - Page 546: 3

Answer

sine; cosine; the set of all real numbers

Work Step by Step

The sine and the cosine functions are both defined for all real numbers. Thus, their domain is the set of all real numbers. Therefore, the missing expressions in the given statements are (in order): sine; cosine; the set of all real numbers
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