Plane trigonometry /
Luisito C. Hagos, Sergio E. Ymas Jr, and Carmelita E. Agalabia
- Manila : Feliber Publishing House, c1998.
- 240 pages : illustrations ; 25 cm.
Chapter 1. Preliminary concepts -- Chapter 2. Logarithms -- Chapter 3. Solutions of right triangles and application -- Chapter 4. Trigonometric functions of any angle -- Chapter 5. Solutions of oblique triangles -- Chapter 6. Areas of triangles -- Chapter 7.Radians and applications -- Chapter 8. The six circular functions -- Chapter 9. The algebra of circular functions -- Chapter 10. Trigonometric equations -- Chapter 11. Properties and graphs of circular functions -- Chapter 12. Inverse circular functions and their graphs.
Trigonometry is a supporting course for Analytic Geometry, Calculus, Physics and engineering subjects. Thus, this text is made to prepare the students for proper background in mathematics and other physical sciences.