椭圆的两条垂直切线的交点轨迹
2019-03-14 05:07
本范例演示了椭圆两条互相垂直的切线交点的轨迹。在解析几何中，椭圆的所有互相垂直的切线交点构成的轨迹是一个与椭圆同心的圆，通常被称为蒙日圆或准圆。通过GeoGebra的切线、垂线和轨迹命令，动态展示了当切点变化时，垂直切线交点始终落在该圆上，直观验证了这一经典几何性质。
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