Three Dimensional Geometry

This topic covers concepts, such as Direction Cosines of a Line Joining Two Points, Direction Ratios of a Line, Condition for Collinearity of Three Points in 3D, Direction Cosines of Axes, Direction Ratios of a Line Joining Two Points, etc.

This topic covers concepts, such as Intersection Point of Two Lines in 3D, Equation of a Line in 3D: Symmetric Form, Equation of a Line through Two Given Points: Vector Form, Equation of a Line through a Point and Parallel to a Vector, etc.

This topic covers concepts, such as Parallel Lines in 3D, Angle between Two Lines in 3D, Angle between Lines in Vector Form, and Perpendicular Lines in 3D.

This topic covers concepts, such as Distance between Two Parallel Lines in 3D, Shortest Distance between Two Skew Lines, and Shortest Distance between Two Skew Lines in Vector Form.

This topic covers concepts, such as Equation of a Plane in Three Point Form, Planes in 3D, Equation of a Plane in Determinant Form, Equation of a Plane in Intercept Form, Equation of a Plane in General Form, Equation of Plane in 3D, etc.

This topic covers concepts, such as Skew Lines and Coplanar Lines.

This topic covers concepts, such as Angle between Two Planes in Vector Form, Parallel Planes, Angle between Two Planes, and Perpendicular Planes.

This topic covers the concept of Distance of a Point from a Plane.

This topic covers concepts, such as Intersection Point of a Line and a Plane, Condition for a Line to Lie in a Plane, Angle between Line and a Plane in Vector Form, Condition when a Line Completely Lies on a Plane, etc.