Instructional Video

Khan Academy: Linear Algebra: Defining the Angle Between Vectors

Curated by ACT

Video shows using the vector triangle inequality and the law of cosines to demonstrate and prove the definition of the angle between vectors. Uses the definition of the angle between vectors to define perpendicular vectors. Shows that the dot product of perpendicular vectors is 0 and extends to define orthogonal vectors showing the distinction between the meaning of perpendicular and orthogonal. [25:11]

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CCSS: Adaptable
Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Audiences
For Administrator Use
2 more...
Lexile Measures
0L