1 1 Azimuth @ B Horizontal distance (ft) Elevation difference Point Elevation 3 962 . Click on cell B3 and enter the following formula: =MOD (ATAN2 (SIN (LonB-LonA)_COS (LatB),COS (LatA_SIN (LatB)-SIN (LatA)*COS (LonB-LonA))),6.30318) This formula will return the bearing you need to take to go from the coordinates on the first row to the coordinates on the second row. . Let us be your math homework help! If the Coordinate System parameter is specified, the length and area calculations will be in the units of that coordinate system unless different units are specified in the Length Unit and Area Unit parameters. If you preorder a special airline meal (e.g.