Location is a crucial part of geography. With location, geographic coordinates come with it. How will you know where something is without those geographic coordinates? The mathematics is in the details.
It is also in the conversions. This video below shows that mathematics can be applied to geography. Converting geographic coordinates from minutes/seconds format to decimal format is used in geodesy, cartography, surveying, for navigating, and applications in which known geographic coordinates is a necessity.
The coordinates of Seattle,USA is used as an example for this video.