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Author:thaenchai

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Neuberg's Theorem
Slope Between 2 Points (Phase 2)
Visualizing the Pythagorean Identity with Sine and Cosine
函數的單調性
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rotation triangle
Rotation 180 degrees/Reflection line y=1
Trifolium
(rhombus method) Constructing a parallel from a point
Self Portrait

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Ellipse
Geometric Distribution
Parametric Curves
Vectors 3D (Three-Dimensional)
Mode

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