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Mamikon's theory/楕円の周囲の接線団
Author:
Naofumi Horio
GeoGebra
New Resources
正17角形 作図 regular 17-gon
直線の軌跡
接点の作る円は内接円
二次曲線と離心率
平均変化率
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figure_HS_215
対応の図式から関数のグラフへ
数II 三角関数のグラフ
放物線(横)の軌跡
円周角と中心角
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Similarity Transformation or Similarity
Conic Sections
Mode
Rational Numbers
Calculus