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Trigonometric Ratios
Author:
Anthony OR 柯志明
,
Alex CHIK
Topic:
Cosine
,
Sine
,
Trigonometry
Drag the green points to change the lengths and the angle.
GeoGebra
Adapted from
Alex Chik's applet
in gMath 互動數學教室
http://www.geogebra.hk
.
New Resources
圓周公式的應用
【案例】2013年安徽高考15题
球体的体积推导
兩位數加法
漂亮的摇摆曲线
Discover Resources
一次函數
拋物線
我的第一個GGB動畫
Copy of 正多邊形柱體表面積展開圖
圆锥的侧面展开图3D动画的副本
Discover Topics
Fractions
Numbers
Percentages
Differential Calculus
General Quadrilateral