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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
球体的截面
百分數及其應用
椭圆内切圆链
活动三:应用性质
第八周作业
Discover Resources
大樂透開獎機
數線上的有理數
有趣的軌跡圖
義守財數101級製作
三節棍
Discover Topics
Median Value
Upper and Lower Sum or Riemann Sum
Quadratic Equations
Ellipse
Variance