Trigonometry : with calculator-based solutions : Schaum's outlines

Schaum's Outline of Trigonometry 4ed 1. Angles and Applications 2. Trigonometric Functions of a General Angle 3. Trigonometric Functions of an Acute Angle 4. Solutions of Right Triangles 5. Practical Applications 6. Reduction to Functions of Positive Acute Angles 7. Variation and Graphs of the Trigonometric Functions 8. Basic Relationships and Identities 9. Trigonometric Functions of Two Angles 10. Sum, Difference, and Product Formulas 11. Oblique Triangles 12. Area of a Triangle 13. Inverses of Trigonometric Functions 14. Trigonomeric Equations 15. Complex Numbers