Trigonometry (10th Edition)

by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie

Published by Pearson

ISBN 10: 0321671775

ISBN 13: 978-0-32167-177-6

Chapter 2 - Acute Angles and Right Triangles - Section 2.5 Further Applications of Right Triangles - 2.5 Exercises - Page 81: 4

Answer

Positive angle from point x the positive X axis to point y.

Work Step by Step

Angle of elevation or depression is expressed as a positive angle from point x (the positive X axis) to the point at y.

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