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Coordinate Geometry: Circles - Equation of tangent to a circle

Опубликовано: 20 Февраль 2025
на канале: Our Math Channel
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Coordinate Geometry: Circles - Equation of tangent to a circle

Slope of radius at point of contact = y1/x1
Slope of tangent = -x1/y1

( Radius is perpendicular to the tangent at point of contact and product of slopes of two perpendicular lines is = -1 )

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