Captured On [2020-02-05 Wed 19:43] Source Session 3: Uses of the Dot Product: Lengths and Angles | Part A: Vectors, Determinants and Planes | 1. Vectors and Matrices | Multivariable Calculus | Mathematics | MIT OpenCourseWare 1 Chalkboard Figure 1: Computing lengths and angles Figure 2: Resolution of computing an angle Figure 3: Meaning of sign of a dot product Figure 4: Detect orthogonality Figure 5: Plane throught \(O\), perpendicular to \(\vec{A}\)