Check out these books for more information:
- Your high school math textbook will cover most of the material on functions and trigonometry.
The first chapters of most calculus books also offer a good review of functions and trigonometry. I use
Single Variable Calculus
by James Stewart
Brooks and Cole, January 2007
Discrete Mathematics and Its Applications
by Kenneth H. Rosen
McGraw Hill, July 2006
This book is a really good introduction to many discrete mathematics topics such as logic, mathematical reasoning, modular arithmetic, and Boolean algebra. Highly recommended!
A Concrete Introduction to Higher Algebra
by Lindsay N. Childs
Springer, December 2000
This book covers everything you need to know about modular arithmetic and its many applications.
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