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Difference of Focal Distances in Parametric Form
For:
$$P(a\cos\theta,b\sin\theta)$$
the difference of focal distances is:
$$PS_1-PS_2=2c\cos\theta$$
Usage
- Used when the difference between distances from a point to the two foci is required.
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Difference of Focal Distances in Parametric Form
For:
$$P(a\cos\theta,b\sin\theta)$$
the difference of focal distances is:
$$PS_1-PS_2=2c\cos\theta$$
Usage
- Used when the difference between distances from a point to the two foci is required.
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