Finding The Angle Between Two Vectors - Calculus 3

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This calculus 3 video tutorial explains how to find the angle between two vectors in a 2D system and in a 3D system.

3D Coordinate System:

3D Distance Formula:


Equation of a 3D Sphere:


Calculus 3 - Intro to Vectors:


Calculus 3 - The Dot Product:


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Angle Between Two Vectors:


Parallel & Orthogonal Vectors:


Direction Cosines and Vectors:


Calculus 3 - Vector Projections:


Cross Product of 2 Vectors:


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Area - Vector Cross Product:


Triple Scalar Product:


Vector Equations of Lines:


The Equation of a Plane:


Planar Equation - 3 Points:


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Final Exams and Video Playlists:


Full-Length Videos and Worksheets:


Vectors - Free Formula Sheet: