Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises - Page 8: 31

Answer

90- x$^{\circ}$

Work Step by Step

1. Given that angle $\theta+x^{\circ}=90^{\circ}$ 2. $\theta= 90^{\circ}-x^{\circ}$ is our angle.
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