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#### shaalaa.com | Point of Tangency

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(if you have any topic related video then share link with us)### Description

- Tangent of a circle - equation of a tangent at a point to 1) standard circle,2) general circle
- Condition of tangency only for line y = mx + c to the circle x
^{2}+ y^{2}= a^{2} - Tangents to a circle from a point outside the circle
- Director circle
- Length of tangent segments
- Normal to a circle - equation of normal at a point.