Cardiod as envelope

Autor:Zoltán Kovács

A cardioid given as the envelope of circles whose centers lie on a given circle and which pass through a fixed point on the given circle. See also Wikipedia.

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apec
函數的奇偶性
Neuberg's Theorem
函數的單調性

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hhccc
Graph
MyFirstChallenge_kalyxwilliams
Варіант 1 Копчиков
Norms of R²

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Integral Definida