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1. Trigonometric Functions of Compound Angles
2. Compound Angle Formulae
3. Compound Angle Formulae (A) Sum and Difference Formulae
11. Exercise 7.1 P.235
14. Exercise 7.2 P.244
15. The Subsidiary Angles
16. The Subsidiary Angles The expression acos? + bsin?
may always be converted into the forms rsin(? ?a) or rcos(? ??) where r is a positive constant.
a and ? are called the subsidiary angles.
17. Exercise 7.3 P.251
18. Sums and Products of Trigonometric Functions
30. Exercise 7.4 P.257
31. Elimination of Angles
32. If we have two or more equations, each containing a certain variable, the process of finding an equation from which that variable is excluded is called elimination.
34. General Solutions of Trigonometric Equations
35. Inverse Trigonometric Functions
36. Inverse Trigonometric Functions
37. Inverse Trigonometric Functions
38. General Solutions
42. Exercise 7.5 P.267