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Reference Angle 參考角

Author:Alex CHIK

Topic:Trigonometry

gMath 互動數學教室 http://www.geogebra.hk

New Resources

畫出對稱圖形
球體建築師
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
兩組對邊相等的四邊形

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轨迹方程
Copy of 均分除法（分數÷整數）
拋物線5-包絡線法
翰林數學_2下_CH3-4_大邊對大角
求切线方程(改进)

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Reflection
Matrices
Isosceles Triangles
Curve Sketching
Congruence

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