Tangents are the line that touches a circle at only one point. But in doing so they exhibit lots of properties. In this session, we have tried to explain in a simple manner all the properties and theorems related to a tangent to a circle.
Well, you may also like to these videos related to Circle:
Circles for Beginners
Circle Theorems - Part 1
Circle Theorems - Part 2
Circle Theorems - Part 3
Areas Related To Circle - Part 2
Areas Related To Circle - Part 1