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特別な三角比
Author:
hara tomoki
Topic:
Trigonometry
GeoGebra
New Resources
正１７角形 作図 regular 17-gon
フーリエ級数展開
アステロイド
standingwave-reflection-fixed
二次曲線と離心率
Discover Resources
回転体
フラクタル10000
加法定理（tan）
立方体の切断面
円周角２
Discover Topics
Congruence
Parametric Curves
Curve Sketching
Pythagoras or Pythagorean Theorem
Angles