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This is the Mathematics textbook. It is a free textbook for revision.
Contents Preliminary chapter Review of Books 1 and 2 Number and numeration Algebraic processes Geometry and mensuration Statistics 1 1 3 5 9 Chapter 1 General arithmetic (1) Standard form Reciprocals of numbers Number bases Chapter 2 Solving triangles (1) Pythagoras' theorem Pythagoras' theorem Using tables Using a calculator Applications of Pythagoras 10 10 14 16 19 20 23 24 25 28 28 29 30 31 32 34 34 35 37 39 40 42 42 46 Chapter 6 Solving triangles (2) Tangent of an angle Tangent of an angle Degrees and minutes Chapter 7 Matrices (1) 50 50 54 59 59 Matrices Chapter 8 Indices and logarithms (1) 65 Laws of indices 65 Logarithms 68 Antilogarithms 70 Multiplication and division 71 Calculation of powers and roots 72 Chapter 9 Vectors (1) 76 Translation vectors 76 Sum of vectors 78 Difference of vectors 80 Multiplication by a scalar 82 Chapter 10 Equations and formulae 85 Equations 85 Formulac 89 Change of subject of formulae 91 Revision exercises and tests Chapters 1-10 95 Non-routine problems (1) 101 Chapter 11 General arithmetic (2) Fractions, decimals, percentages 104 Fractions 104 Decimals 105 Percentages 107 Simple interest 110 Chapter 12 Solving triangles (3) Sine and cosine 112 Sine and cosine 112 Solving right-angled triangles 118 Chapter 13 Scale drawing (4) Solids, plans, elevations 120 Frechand sketches of solids 120 Parallel projection 122 Orthogonal projection 123 Chapter 14 Circle geometry (1) 128 Arcs and chords 128 Cyclic quadrilaterals