Law of Sines

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Note that the triangle in this sketch is not a right triangle. Move point B and watch the dynamic ratios in the bottom of the screen. Can you give a mathematically sound reason for WHY they do what they do?

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Trigonometrie_kosinusreël
Parametric Representation of a Line
sum of interior angles of triangle
Even & Odd Functions - II
Centroid, Orthocenter, and Circumcenter

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直角三角形
周長
二項分布
直方圖
數

Law of Sines

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