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 : .
.
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
.