Precalculus
Conics - Rotation of Axes - Parabola
openstax PreCalculus Textbook
This is a free textbook for download. This is an excellent resource for Math 2412 PreCalculus.
Summary of Conic Sections in Rectangular Coordinates
Graphs and equations of parabolas, ellipses and hyperbolas.
This is a resource sheet for problems involving conics.
Partial Fraction Decomposition
Review sheet of Examples
Trigonometric Formula Sheet
Most of the formulae that you will need to work problems in trigonometry
Graph Paper - Rectangular - Polar - Trig
Print and use this paper for graphing.