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Consider the distance from atlanta to columbus is .
The distance from atlanta to phoenix is .
The distance between phoenix to columbus is .
Draw the triangle with above specifications.
Law of cosines : .
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Phe two lengths are and .
The angle is
Law of sines : .
The sum of the angles in any triangle is .
The two angles are and .
The remaining angle .
.
Therefore the angles are created by flight path is , and .
Therefore the angles are created by flight path is , and .
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