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三角函數圖解
Author:
羅驥韡 (Pegasus Roe)
Topic:
Trigonometry
GeoGebra
參考資料：
https://plus.google.com/110535140812358973025/posts/EnrM8uNUsQk
New Resources
找出對稱軸
兩位數加法
球体的体积推导（优化版）
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
test123
陳允杰 橢圓反射
四塊面積
疊代四邊形
長度和距離(毫米)
Discover Topics
Line Segment
Definite Integral
Quadrilaterals
Bar Chart or Bar Graph
Sphere