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銳角三角:sin, cos
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
四邊形的特性
球體建築師
錐體建築師
三位數除以一位數(二)
三位數除以一位數(一)
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正弦定理的验证
面積2
-(√3/2)³ ≤ sinα sinβ sinγ ≤ (√3/2)³
畢氏定理
橢圓1--四圓心近似法
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Planes
Conditional Probability
Random Variables
Unit Circle
Matrices