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[几何] 星形线上两互相垂直的切线交点轨迹

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1+1=？ posted 2025-5-26 11:07 from mobile |Read mode

Last edited by hbghlyj 2025-5-26 23:22星形线上两垂直切线的交点轨迹是四叶草线，极坐标$$r=A\cos(2θ)$$

切线, 轨迹, 星形线, 垂直, 极坐标

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hbghlyj posted 2025-5-26 23:20

What will be the locus of the intersection point of two tangents to $x^{2/3}+y^{2/3}=a^{2/3}$ that are perpendicular to each other?

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2025-7-15 14:02 GMT+8

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