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📚 Trigonometry
Chapters ▾
1 Triangles and Circles2 The Trigonometric Ratios3 Laws of Sines and Cosines4 Trigonometric Functions5 Equations and Identities6 Radians7 Circular Functions8 More Functions and Identities9 Vectors10 Polar Coordinates and Complex Numbers

Chapter 5: Equations and Identities

  • Algebra with Trigonometric Ratios
  • Solving Equations
  • Trigonometric Identities
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Trigonometry by Katherine Yoshiwara (yoshiwarabooks.org), GNU Free Documentation License 1.2 or later. Adapted for the XYZ HTML edition with the authors' permission (recorded 2026-07-04). License: GFDL-1.2-or-later.