Incoming Resources
- Trigonometry, a clever study guide, by James Tanton
- Trigonometry, Michael Sullivan
- Trigonometry demystified, Stan Gibilisco
- College trigonometry, Richard N. Aufmann, Vernon C. Barker, Richard D. Nation, Jr
- Trigonometry for dummies, by Mary Jane Sterling
- Schaum's outlines, with calculator-based solutions, Robert E. Moyer, Frank Ayres