• How to determine nearby locations with trigonometry!

    Lots of apps out there figure out how to determine locations near you. So just how exactly do we do that? Well SQLServer has some nice functionality baked right in. So does Android and iOS. What if you’re using mySQL and all you’ve got are latitudes and longitudes? How would you figure out which of those locations are near where you are? Do you remember your high school trigonometry? Does the acronym SOHCAHTOA make you cringe? If you’ve answered yes to either of these questions and have bad flashbacks or the urge to break out your TI-92 calculator don’t fret....

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