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GeoGebra Classroom

Sine, Cosine, Tangent 0 - 360°

作者：Lee W Fisher

主題：餘弦, 正弦

Control the angle to see the red, green and blue line segments change length.

https://tentotwelvemath.com/fmp-10/soh-cah-toa-resources/visual-trig-values/ https://tentotwelvemath.com/grade-11/grade-11-precalculus/2-trigonometry/the-unit-circle/

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