Chapter 23 - Trigonometry
23.1 The Theorem of Pythagoras
23.2 Sides of a Right-Angled Triangle
23.3 Sine, Cosine and Tangent Ratios
23.4 Using Your Calculator to Find Ratios
23.5 Finding Sides and Angles of a Triangle
23.6 Using Trigonometry to Solve Problems
Test Yourself 23
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