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Trig Identity via Areas: Dynamic Illustrator

作者:Tim Brzezinski

主题:面积, 几何, 函数图象, 勾股定理, 直角三角形, 三角函数

Feel free to move the LARGE POINT anywhere you'd like on either graph. What trigonometric identity is dynamically being illustrated here?

Slowly slide the vertical slider (you see on the right) upwards.

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