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sin+tan=?
Author:
Bunryu Kamimura
χ→0の時、(2sinx+tanx)/3=χ (sinx+tanx)/2=2tan(x/2) (3sinx+tanx)/4=2sin(x/2) 拡大してグラフの値が近づくことを確かめてみよう。
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対数螺旋
standingwave-reflection-free
sine-wave
standingwave-reflection-fixed
正17角形 作図 regular 17-gon
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比例・反比例のグラフ
平行四辺形の対角線上の面積その2.ggb
上に凸定義域が動く場合Max解答
Projection(投影図)
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Histogram
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Incircle or Inscribed Circle
Linear Equations