- "The standard basis vectors i, j, k are all unit vectors."
- "Unit vectors are crucial in computer graphics for calculating lighting and reflections."
Formula: \hat{u} = \frac{\vec{v}}{|\vec{v}|} = \left\langle \frac{x}{\sqrt{x^2+y^2+z^2}}, \frac{y}{\sqrt{x^2+y^2+z^2}}, \frac{z}{\sqrt{x^2+y^2+z^2}} \right\rangle