5 Trigonometry
5.1 Radian measure
5.2 The trigonometric ratios
5.2.1 Angles beyond the first quadrant
5.2.2 The exact values
5.3 Identities
5.3.1 Compound and double angle formulae
5.4 Trigonometric equations
5.5 Graphs, amplitude and period
5.6 Practice problems
5.2 The trigonometric ratios
5.2.1 Angles beyond the first quadrant
5.2.2 The exact values
5.3 Identities
5.3.1 Compound and double angle formulae
5.4 Trigonometric equations
5.5 Graphs, amplitude and period
5.6 Practice problems
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