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7.6 Exercise 67

Avg difficulty 2.5

A plane flies 1 hour at 150 mph at 22 ∘ 22^{\circ} east of north, then continues to fly for 1.5 hours at 120 mph, this time at a bearing of 112 ∘ 112^{\circ} east of north. Find the total distance from the starting point and the direct angle flown north of east.

OpenStax Precalculus 2e, 7.6 Modeling with Trigonometric Functions, exercise 67

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.