Answer
$270^\circ$ or $N\ 90^\circ W$.
Work Step by Step
As seen in the figure, we can express the bearing of the airplane as $270^\circ$ or $N\ 90^\circ W$.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - 5.4 Solutions and Applications off Right Triangles - 5.4 Exercises - Page 550: 57
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