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锐角三角函数

Author:孙逸旻

Topic:Trigonometric Functions

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找出對稱軸
球體建築師
三位數除以一位數（一）
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球

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等周長的扇形與矩形
Task 3 Isosceles Triangle
proof92吳冠穎
诱导公式六（90°-α）
兩組對邊相等的四邊形（三年級）

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Calculus
Linear Functions
Hyperbola
Quadratic Equations
Similar Triangles

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