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Intersection of Tangents at the Ends of a Focal Chord
For a focal chord:
$$t_1t_2=-1$$
the intersection of the tangents is:
$$(-a,a(t_1+t_2))$$
Usage
- Used to locate the intersection of tangents corresponding to the endpoints of a focal chord.
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Intersection of Tangents at the Ends of a Focal Chord
For a focal chord:
$$t_1t_2=-1$$
the intersection of the tangents is:
$$(-a,a(t_1+t_2))$$
Usage
- Used to locate the intersection of tangents corresponding to the endpoints of a focal chord.
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