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Chapter 7: Circle (38 videos)
7.1: Introduction
  1. Introduction to Conic Section
  2. More on Introduction to Conic Section
7.2: Equation of a Circle
  1. Standard Form of Equation of Circle
  2. General Form of Equation of Circle
  3. More on General Form of Equation of Circle
7.3: Equation of a Circle with a Line Segment as its Diameter
  1. Equation of Circle Passing Through 2 Points and its Centre on Line
7.4: Tangents and Normals to a Circle
  1. Equation of Tangent to Circle
  2. More on Equation of Tangent to Circle
  3. Problem1- Equation of Tangent to Circle
  4. Problem2a-Equation of Tangent to Circle
  5. Problem2b-Equation of Tangent to Circle
  6. Equation of Normal to Circle
7.5: Equation of the Chord Joining Two Points on the Circle
  1. Chords Perpendicular Passes Centre of Circle
  2. More on Chords Perpendicular Passes Centre of Circle
7.6: Points of Intersection of the Straight Line and the Circle
  1. Line Intersects Circle at Most 2 Points
7.7: Condition of Tangency of a Line to a Circle
  1. Condition that Line may be Tangent to Circle
7.8: The Equation of Tangents and Normals Using Derivatives
  1. Equation of Tangent to Circle
  2. More on Equation of Tangent to Circle
  3. Problem1- Equation of Tangent to Circle
  4. Problem2a-Equation of Tangent to Circle
  5. Problem2b-Equation of Tangent to Circle
  6. Equation of Normal to Circle
7.9: Length of the Tangent from the Point to the Circle
  1. Length of Tangent to Circle
7.10: Condition of Normality
  1. Equation of Normal to Circle
7.11: Some Geometrical Properties of the Circle
  1. Proof-2 Tangents can be Drawn to Circle from Point
  2. More on Proof-2 Tangents can be Drawn to Circle from Point
  3. Length of Tangent to Circle
  4. To Prove Circles Diameter is 2 Times its Radius
  5. Chords Perpendicular Passes Centre of Circle
  6. More on Chords Perpendicular Passes Centre of Circle
  7. Line From Centre and Midpoint of Chord is Perp to it
  8. More on Line From Centre and Midpoint of Chord is Perp to it
  9. Congruent Chords are Equidistance from Centre of Circle
  10. More on Congruent Chords are Equidistance from Centre of Circle
  11. Angle in Semi-Circle is Right Angle
  12. More on Angle in Semi-Circle is Right Angle
  13. Perpendicular Radial Segment is Tangent to Circle
  14. More on Perpendicular Radial Segment is Tangent to Circle
 

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