Frequently Used Pre-Calculus Formulas - dummies

By Mary Jane Sterling

Part of 1,001 Pre-Calculus Practice Problems For Dummies Cheat Sheet

Mathematical formulas are equations that are always true. You can use them in algebra, geometry, trigonometry, and many other mathematical applications, including pre-calculus. Refer to these formulas when you need a quick reminder of exactly what those equations are and which measures or inputs are needed.