Classical Dynamics of Particles and Systems · Problem 1-18

Newtonian Mechanics—Single Particle — Marion & Thornton

Physics — Mechanics · vector-algebra-trigonometry

Problem

Obtain the sine law of plane trigonometry by interpreting the product

\mathbf{A} \times \mathbf{B}

and the alternate representation

(\mathbf{A} - \mathbf{B}) \times \mathbf{B}