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Pure Maths: Trigonometry

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Familiarise students with the trigonometry needed for Pure Maths A Level in this unit. There are four chapters which cover trigonometry in detail. Detailed contents: 8 TRIGONOMETRY 1 Trigonometric functions Sine, cosine and tangent Transformation of trigonometric functions Trigonometric equations Graphical and calculator solutions Wave models 10 TRIGONOMETRY 2 The sine rule The cosine rule The area of a triangle = 1/2 bc sin A Trigonometry in three dimensions 15 TRIGONOMETRY 3 Radians: circular measure Sectors: arc length and sector area Reciprocal functions: cosec, sec and cot Trigonometrical identities Trigonometrical equations 26 TRIGONOMETRY 5 Compound-angle formulae: sin(A +- B), cos(A +- B), tan(A +- B) Double angle formulae: sin 2A, cos 2A, tan 2A Combining waves: a cos x +- b sin x = R sin(x +- a) or R cos(x +- a) * Download all the answers to the Pure Maths Topics once -- all answers are contained in the Pure Maths Answers PDF * Build confidence through hundreds of questions at the right level. * Ensure students are fully prepared for their exams with extensive practice exercises, worked examples and full A-level examination questions. * Promote understanding through consolidation exercises at the end of each topic. * Challenge and broaden your students' minds with new interpretations of traditional topics in Pure Mathematics.