Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.1 - Definition II: Right Triangle Trigonometry - 2.1 Problem Set: 3

Answer

Complement

Work Step by Step

Cofunction theorem states that a "trigonometric function of an angle is always equal to the cofunction of the complement of the angle".
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