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  • Jonathan Lind

    March 19, 2022 at 3:43 am

    Awesome visual. It’s great that more and more of these are becoming available, as it isn’t super easy for the “average” teacher like me to throw these together ourselves. Let’s all keep sharing these!

    Here’s a visual color-based proof of the law of cosines that I use every year with at least one of my high school classes: