Topic: Dot Products and Projections

Common Errors With Angles and Projections

Finding a Perpendicular Foot and Distance to a Line

The Pythagorean Identity for Vector Components

Deriving Projection by Minimizing Distance

Splitting Vectors Into Parallel and Perpendicular Parts

Vector Projection Onto a Unit Direction

Projection Onto a Line Given by Two Points

Orthogonal Vectors in Coordinate Geometry

Scalar Projection as a Signed Component

Finding Angles Between Three-Dimensional Vectors