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Equation of a Tangent to a Circle

Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths.

Equation of a tangent to a Circle : ExamSolutions
In this video you are shown how to find the equation of a tangent to a circle.
Equation of a Tangent to a Circle



How to find Equations of Tangents and Normals
Equation of two tangents from a point outside the circle
Example:
Find the equations of the tangent to the circle x2 + y2 = 5 from the point (3,1)


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