Mechanics → Appendix: Mathematical Methods for Mechanics → Vector Algebra
Vector Algebra
Vector Representation
$$ \vec{A} = A_x \hat{i} + A_y \hat{j} + A_z \hat{k} $$
Dot Product
$$ \vec{A} \cdot \vec{B} = AB \cos\theta $$
Cross Product
$$ \vec{A} \times \vec{B} $$