- Unit One: Basic Trig Ratios
- Unit Two: Special Triangles
- Unit Three: Trig Ratios for Other Angles
- Unit Four: Degrees and Radians
- Unit Five: The Reciprocal Functions
David Kahn has kindly posted some
chapters
from his Attacking Trigonometry Problems book:
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Page last modified on Jan 23 2018, 9:55am