Trigonometry 7th Edition

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

Chapter 2 - Section 2.5 - Vectors: A Geometric Approach - 2.5 Problem Set - Page 106: 29

Answer

$1.37 mi$

Work Step by Step

From above figure $AB = AB' = 28 mi$ The ship is off by distance of BB' Which can be calculated from isosceles triangle ABB' BB' is bisected by perpendicular from A Also $\angle A$ is bisected by perpendicular from A So, $BB' = 2 AB' sin(1.4°) = 1.37 mi$
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