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加法定理(tan)
Author:
Bunryu Kamimura
tanの加法定理は、sin/cosで求まる。
GeoGebra
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standingwave-reflection-free
接点の作る円は内接円
目で見る立方体の2等分
sine-wave
正17角形 作図 regular 17-gon
Discover Resources
楕円=円+円
球のイメージ
接線と弦のつくる角
using Loading Tool
回転移動
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Polynomial Functions
Conditional Probability
Circumcircle or Circumscribed Circle
Distributions
Exponent