Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
前提：α + β + γ = 0
New Resources
錐體建築師
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
兩位數加法
三位數除以一位數（一）
Discover Resources
經過相同點的不同週期函數
三角函數
index
拋物線：切線與弦中點
小五_多邊形面積01
Discover Topics
Terms
Logic
Optimization Problems
Cosine
Equilateral Triangles