目录 Preface Part I. Trigonometric Function Chapter 1. Trigonometric Identity 1.1 Trigonometric Ratios for Any Angle 1.2 The Induction Formulas and the Relationship Between Trigonometric Ratios of the Same Angle Chapter 2. Trigonometric Identity 2.1 Cosines, Sines and Tangents of Addition and Subtraction of Two Angles 2.2 Double Angles, Half-Angle, Sum-to-Product Formula and Product-to-Sum Formula Chapter 3. Trigonometric Functions 3.1 Graphs and Properties of Trigonometric Functions Chapter 4. Inverse Trigonometric Functions and Trigonometric Equations 4.1 Inverse Trigonometric Functions 4.2 Trigonometric Equations Chapter 5. Solutions of Triangles 5.1 Solutions of Triangles 5.2 Area Method Chapter 6. Trigonometric Substitution and Trigonometric Inequality 6.1 Trigonometric Substitution 6.2 Trigonometric Inequality Part II. Complex Number Chapter 7. Concept of Complex Number Chapter 8. Operations with Complex Number 8.1 Operations with Complex Number Chapter 9. Trigonometric Form of a Complex Number Chapter 10. Complex Number and Equation Answers
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