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単位円と正弦弧の関係
Author:
井上直紀
GeoGebra
New Resources
二次曲線と離心率
カージオイド
sine-wave
standingwave-reflection-free
正１７角形 作図 regular 17-gon
Discover Resources
生徒が発見した定理 Kamimura's theorem
外角の和４
Animation 20 (Inscribed Angle Dance)
浮かぶオブジェ
関数y=ax^2
Discover Topics
Tangent Line or Tangent
Combinatorics
Geometry
Trigonometry
Line Segment