Convert Spherical Coordinates to Decimal form
Latitude Longitude are usually expressed in Spherical form. eg 29 degress, 41 minutes, 32 seconds North; Sign for degrees is small o on top right of value; sign for minutes is 41', and seconds as 32''. Thease spherical values are based on Round shape of earth, as a sphere.
How to convert these values to be used in mathematical calculations(decimal form):
Decimal form of above will be 29 + 41/60 + 32/3600, which comes to about 29.69222.
Next step, use Haversine formula to calculate distance between two points.
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