7.1 Trigonometric Ratios and Identities
Example 1 to 8
D. Pythagoras Identities
Explanation
Example 8
Example 9
7.2 Compound Angles
Example 10
Example 11
Example 12
Example 13
Example 14 & 15
Example 16
Example 17
Example 18
7.3 Solutions of Trigonometry Equations
Example 19 ~ 21
T - form
Example 23(a)
Example 23(b)
Example 24
R - form
Example 25 ~ 28