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三角函數
Author:
denisjelly
Topic:
Trigonometric Functions
立永等等等等等
GeoGebra
New Resources
球体的体积推导（优化版）
拼砌四邊形
第八周作业
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
Discover Resources
選四塊來拼砌正方形
圓錐曲線---橢圓
直式算式(可包含單位)
畢氏定理
If指令的應用1
Angle of elevation and Angle of depression(仰角和俯角)
Discover Topics
Complex Numbers
Confidence Interval
Conic Sections
Tangent Function
Logarithmic Functions