最終更新日：2025/11/28
When you fix a point P and a plane curve C, the pedal curve shows the locus of points X such that PX is perpendicular to the tangent at X, often revealing unexpected symmetries.
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When you fix a point P and a plane curve C, the pedal curve shows the locus of points X such that PX is perpendicular to the tangent at X, often revealing unexpected symmetries.
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