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三角関数（単位円による定義）
Author:
MathClassL
Topic:
Circle
,
Coordinates
,
Right Triangles
,
Trigonometric Functions
,
Trigonometry
,
Unit Circle
GeoGebra
New Resources
目で見る立方体の2等分
コイン投げと樹形図
sine-wave
standingwave-reflection
正１７角形 作図 regular 17-gon 2
Discover Resources
斜面を転がる運動
異分母分数のたし算
放物線とｘ軸の共有点の位置
Change of Basis
sin(x)^sin(y)=sin(y)^sin(x)
Discover Topics
Scatter Plot
Integers
Inequalities
Probability
Optimization Problems