Chord of Contact from a Point on the Minor Axis
For an external point:
$$P(0,y_1)$$
the chord of contact is:
$$\frac{yy_1}{b^2}=1$$
or:
$$y=\frac{b^2}{y_1}$$
Usage
- Used when tangents are drawn from a point on the minor axis.
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CAT Formulas
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Chord of Contact from a Point on the Minor Axis
Chord of Contact from a Point on the Minor Axis
For an external point:
$$P(0,y_1)$$
the chord of contact is:
$$\frac{yy_1}{b^2}=1$$
or:
$$y=\frac{b^2}{y_1}$$
Usage
- Used when tangents are drawn from a point on the minor axis.
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