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正切函數值的變化
Author:
t0759
GeoGebra
New Resources
中華民國國旗 (Codex╱2026.10.06)
幾何作圖題：切三圓（題目）
直角坐標平面上的旋轉變換
美國國旗 (Claude 版)
Nested spiral octagon
Discover Resources
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
定周长的正多边形面积变化规律（含圆）
二次函數
Menger Sponge
sin(x) 的函數圖形的副本
Discover Topics
Percentages
Piecewise Functions
Angles
Trapezoid
Sine