Educo International
College Algebra+Trigonometry
R 1,534
Basic Books
The Magic of Math: Solving for x and Figuring Out Why
R 1,017
Birkhauser
Trigonometry
R 1,497
Questing Vole Press
Essential Trigonometry: A Self-Teaching Guide
R 585
Tangential Projects Press
Precalculus: An Investigation of Functions
R 1,978
PEARSON EDUCATION
Trigonometry: A Unit Circle Approach
R 3,668
Teach Yourself
Trigonometry: A Complete Introduction (Teach Yourself)
R 1,296
For Dummies
Calculus: 1001 Practice Problems For Dummies (+ Free Online Practice)
R 1,523
Lulu.com
AP Precalculus: The Teacher's Compendium
R 3,322
PEARSON EDUCATION
Trigonometry (10th Edition)
R 1,202