Locus of Intersection of Tangents at the Ends of a Chord through the Focus: Parabola
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This is the directrix.

Expressions

Name Input
Angle Measurement Derive Input Maple Input MathML Input Mathematica Input Maxima Input Mupad Input TI-Nspire Input text Input Image
Directrix Derive Input Maple Input MathML Input Mathematica Input Maxima Input Mupad Input TI-Nspire Input text Input Image

Geometry Expressions

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