A school district in Texas has posted a 2006 edition of *Holt Precalculus, a Graphing Approach* for the use of their students and anyone else studying this subject. Accessing this free precalculus textbook does require a Google account, but if you are already using gMail, you should have no trouble.

Students should have had a year of geometry and two years of algebra before attempting this course. Graphing calculators or computers will be utilized in the exercises.

## Chapter Titles for *Precalculus* Textbook

- Number Patterns
- Equations and Inequalities
- Functions and Graphs
- Polynomial and Rational Functions
- Exponential and Logarithmic Functions
- Trigonometry
- Trigonometric Graphs
- Solving Trigonometric Equations
- Trigonometric Identities and Proof
- Trigonometric Applications
- Analytic Geometry
- Systems and Matrices
- Statistics and Probability
- Limits and Continuity

View this Free Online Material at the source:

High School Free Precalculus Textbook