Hyperbola: director circle (Locus of intersection of perpendicular tangents (real locus only if a² >)
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Locus of intersection of perpendicular tangents (real locus only if a² > b²)
What each symbol means
| Symbol | What it stands for |
|---|---|
| a, b | Hyperbola parameters |
When to use this
For x²/a² − y²/b² = 1 with a > b so that a² − b² > 0.