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  1. How To Learn Trigonometry Intuitively – BetterExplained

    • Learn trig functions as percentages to the three shapes: sine, cosine and tangent. See how they vary with angle and position, and how they relate to circles and cycles.… See more

    Motivation: Trig Is Anatomy

    Imagine Bob The Alien visits Earth to study our species. Without new words, humans are hard to describe: “There’s a sphere at the top, which gets scratched occasionally” or “Two elo… See more

    BetterExplained
    Sine/Cosine: The Dome

    Instead of staring at triangles by themselves, like a caveman frozen in ice, imagine them in a scenario, hunting that mammoth. Pretend you’re in the middle of your dome… See more

    BetterExplained
    Tip: Trig Values Are Percentages

    Nobody ever told me in my years of schooling: sine and cosine are percentages. They vary from +100% to 0 to -100%, or max positive to nothing to max negative. L… See more

    BetterExplained
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