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If the school lockdown during the pandemic taught me anything, it's this. There's more than one way to teach a topic, and the days of public schools are probably numbered. Lessons...
https://youtu.be/KQbFUr0on6c Here is a short video using three different techniques.
https://youtu.be/CMJhHOcj9ac Here is another essential skill heading into the final exam season.
https://youtu.be/YxTWLuBtwJw?si=2EbsD9Cm_x9qsqtR In high school Trigonometry, I first learned this formula. It's quite amazing that this can be derived from the Law of Cosines. You can compute...
https://youtu.be/f0DEN7ooXRo?si=R4bbGw-1aXNOLH77
https://youtu.be/JZsLnxPQ680 This video shows 4 examples. It provides a step-by-step commentary on how to rearrange what appear to be complicated equations.