Thornton & Marion (5th Edition), Chapter 01, Problem 19 Solution

Thornton & Marion, Classical Dynamics (5th Edition)

Chapter 1. Matrices, Vectors, and Vector Calculus

Problem 19. Vector Algebra

The problem asks you to derive

  1. Angle transformation formulae using vector algebra.

You should know about

  1. Basic concept of a vector algebra
  2. Law of cosines
  3. Pythagorean trigonometric identity

Solution

 

References

https://en.wikipedia.org/wiki/Law_of_cosines

https://en.wikipedia.org/wiki/Pythagorean_trigonometric_identity

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