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入射角・反射角
Author:
matsubara
GeoGebra
New Resources
sine-wave
小テスト
コイン投げと樹形図
フーリエ級数展開
standingwave-plus
Discover Resources
e^(iθ)=cosθ+isinθ
面積比
算法天生法指南二之巻(68)解答
２年p.150
麻の葉（平行移動）
Discover Topics
Surface
Trigonometric Functions
Straight Lines
Right Triangles
Angles