It is sometimes easier to redraw the faces of a 3D shape and work with the resulting 2D shapes
lesson notes:02 3D trigonometry
It is sometimes easier to redraw the faces of a 3D shape and work with the resulting 2D shapes
lesson notes:02 3D trigonometry
The basics of trigonometry and how angles can be represented
lesson notes:01 trigonometric ratios
Parametric coordinates are an alternative system for describing relations
lesson notes:08 parametric coordinates
Looking at the specific type of inverse relations, known as the inverse functions
lesson notes:07 inverse functions
Just as every mathematical operation has an inverse, addition has subtraction, etc, so does every mathematical relation
lesson notes:06 inverse relations