Tangent Length from a Point on the Major Axis
For a point:
$$P(x_1,0)$$
outside the ellipse, the tangent length satisfies:
$$PT^2=x_1^2-a^2$$
Usage
- Used when the external point lies on the major axis.
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Tangent Length from a Point on the Major Axis
Tangent Length from a Point on the Major Axis
For a point:
$$P(x_1,0)$$
outside the ellipse, the tangent length satisfies:
$$PT^2=x_1^2-a^2$$
Usage
- Used when the external point lies on the major axis.
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