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北區模考多選第八題 (2014.03.06)
Autor:
羅驥韡 (Pegasus Roe)
Tema:
Cercle
如圖，∠B = 2∠C，設：
，求：α, β
GeoGebra
Nous materials
找出對稱軸
AI 訓練教室
畫出對稱圖形
Nested spiral octagon
sanjiaohanshu
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Angle of Elevation & Angle of Depression 仰角和俯角
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数学
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Cosinus
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Secant