Incoming Resources
- Trigonometry, by Carolyn Wheater
- Algebra & trigonometry, Michael Sullivan
- Trigonometry, by Joan Horvath and Rich Cameron
- The trigonometry and pre-calculus tutor
- Trigonometry demystified, Stan Gibilisco
- Schaum's outlines, with calculator-based solutions, Robert E. Moyer, Frank Ayres
- Trigonometry for dummies, by Mary Jane Sterling
- The secrets of triangles, a mathematical journey, Alfred S. Posamentier and Ingmar Lehmann