Co-Geometry

2 circles touch each other

Inclination & Slope

Co-circle example

Equation of tangent and chord of contact

coordinates of incentre

centre of triangle example

Family of circles

Family of circles example

Locus

Parabola

Ellipse

Hyperbola

Conic Section in general

Central conics

General Conics

Rotation of axes

2 straight lines invariants

2 straight lines

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