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外心

Author:田中利則

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接点の作る円は内接円
サイクロイド
standingwave-reflection-fixed
フーリエ級数展開
二次曲線と離心率

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円周角の定理の拡張 Extension theorem of the circumferential angle
w=z+2とw=2z
内分外分からメネラウス・チェバの定理の証明へ
グラフ観賞用（おまけ）
角の二等分線

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Inequalities
Volume
Integral Calculus
Geometry
Pythagoras or Pythagorean Theorem

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