Tangent to a Rectangular Hyperbola
For:
$$xy=c^2$$
at:
$$P(ct,\frac{c}{t})$$
the tangent is:
$$\frac{x}{t}+ty=2c$$
Usage
- Used to obtain the tangent directly from the parametric coordinate.
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CAT Formulas
Hyperbola
Tangent to a Rectangular Hyperbola
Tangent to a Rectangular Hyperbola
For:
$$xy=c^2$$
at:
$$P(ct,\frac{c}{t})$$
the tangent is:
$$\frac{x}{t}+ty=2c$$
Usage
- Used to obtain the tangent directly from the parametric coordinate.
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