Defining trigonometric ratios from the unit circle. http://www.geogebratube.org/material/show/id/8088 |
Key Stage 4 (Senior Secondary) > 4.2 Measures, Shape & Space 度量、圖形與空間 > More about trigonometry 續三角 >
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Key Stage 4 (Senior Secondary) > 4.2 Measures, Shape & Space 度量、圖形與空間 > More about trigonometry 續三角 >
Defining Trigonometric Ratios
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