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[×ÊÔ´] The.Ellipse.A.Historical.and.Mathematical.Journey

PREFACE
CHAPTER 1 INTRODUCTION
CHAPTER 2 THE TRAIL: STARTING OUT  5
2.1 A Sticky Matter 5
2.2 Numbers 42
2.2.1 Integers, Rational Numbers, and Irrational Numbers 43
2.2.2 The Size of the Irrational Numbers 48
2.2.3 Suitability of Rationals and the Decimal System 51
2.2.4 Rational and Irrational Outcomes 53
CHAPTER 3 THE SPACE: GEOMETRY  62
3.1 Euclidean Space, Dimension and Rescaling M
3.1.1  Euclidean Space and Objects 64
3.1.2 Euclidean Space in Higher Dimensions 65
3.1.3 Unit Measurements and Measures of Objects 66
3.1.4 Rescaling, Measurement, and Dimension 67
3.1.5  Koch's Snowflake, a Fractal Object 70
3.2 Measurements of Various Objects 72
3.2.1  Pythagorean Theorem, Length of the Hypotenuse 73
3.2.2 Cavalieri's Theorem in Two Dimensions 76
3.2.3 Cavalieri's Theorem, Archimedes Weighs In 77
3.2.4  Simple Applications of Cavalieri's Theorem 79
3.2.5 The Circle so
3.2.6 Surface Area of the Cone 82
3.2.7 Cavalieri's Theorem a Stronger Version
in Three Dimensions 83
3.2.8 Generalized Pyramids 85
3.2.9 The Sphere as a Generalized Pyramid 88
3.2.10 The Surface Area and Volume of the Sphere 89
3.2.11 Equal-Area Maps, Another Excursion 92
CHAPTER 4 THE LANGUAGE: ALGEBRA  %
4.1 Cartesian Coordinates and Translation of the Axes 101
v
ix
1
V¨ª  CONTENTS
4.1.1 Intersections of Geometric Objects as Solutions to Equations 102
4.1.2 Translation of Axis and Object 103
4.2 Polynomials 106
4.2.1 Lines 106
4.2.2 Parabolas and the Quadratic Equation 109
4.3 Circles 113
4.3.1 Equations for a Circle 113
4.3.2 Archimedes and the Value of it 114
4.3.3 Tangent Lines to a Circle 119
4.4 The Four-Dimensional Sphere 121
4.4.1 Pythagorean Theorem in Higher Dimensions 122
4.4.2 Measurements in Higher Dimensions and n-Dimensional
Cubes 124
4.4.3 Cavalieri's Theorem 124
4.4.4 Pyramids 125
4.4.5 The n-Dimensional Sphere as an n-Dimensional Pyramid 126
4.4.6 The Three-Dimensional Volume of the Four-Dimensional Sphere's
Surface 127
4.5 Finite Series and Induction 129
4.5.1 A Simple Sum 130
4.5.2 Induction 130
4.5.3 Using Induction as a Solution Method 131
4.6 Linear Algebra in Two Dimensions 133
4.6.1 Vectors 134
4.6.2 The Span of Vectors 138
4.6.3 Linear Transformations of the Plane Onto Itself 139
4.6.4 The Inverse of a Linear Transformation  143
4.6.5 The Determinant 150
4.7 The Ellipse 150
4.7.1 The Ellipse as a Linear Transformation of a Circle 152
4.7.2 The Equation of an Ellipse 152
4.7.3 An Excursion into the Foci of an Ellipse 154
CHAPTER 5 THE UNIVERSAL TOOL: TRIGONOMETRY  156
5.1 Trigonometric Functions 158
5.1.1  Basic Definitions 158
5.1.2 Triangles 159
5.1.3 Examples 16O
5.2 Graphs of the Sine, Cosine, and Tangent Functions 165
5.3 Rotations 165
5.4 Identities 167
5.4.1 Pythagorean Identity 167
5.4.2 Negative of an Angle 167
5.4.3 Tan(0) in Terms of Sin(0) and Cos(6» 168
CONTENTS V¨¹
5.4.4 Sines and Cosines of Sums of Angles 168
5.4.5 Difference Formulas 169
5.4.6 Double-Angle Formulas 169
5.4.7  Half-Angle Formulas 169
5.5 Lucky 72 170
5.6 Ptolemy and Aristarchus 173
5.6.1 Construction of Ptolemy's Table 173
5.6.2 Remake of Aristarchus 177
5.7 Drawing a Pentagon i8t
5.8 Polar Coordinates 183
5.9 The Determinant 188
CHAPTER 6 THE SLAYER: CALCULUS 192
6.1 Studies of Motion and the Fundamental Theorem of Calculus 199
6.1.1 Constant Velocity and Two Problems of Motion 199
6.1.2 Differential Calculus, Generalizing the First Problem 201
6.1.3 Integral Calculus, Generalizing the Second Problem  205
6.1.4 Relations Between Differentiation and Integration
and the Fundamental Theorem of Calculus 208
6.1.5 Integration, Leibniz' Notation, and the Fundamental Theorem of
Calculus 209
6.2 More Motion: Going in Circles 213
6.3 More Differential Calculus 217
6.3.1  Differentiation Rules 218
6.3.2 Notation and the Derivative at a Specified Point 219
6.3.3 Higher Order Differentiation and Examples 220
6.3.4 Differentiation and the Enquirer 222
6.4 More Integral Calculus 234
6.4.1 The Antiderivative and the Fundamental Theorem of Calculus 234
6.4.2 Methods of Integration 235
6.5 Potpourri 242
6.5.1 Cavalieri's Theorem and the Fundamental Theorem of
Calculus 242
6.5.2 Volume of the Sphere and Other Objects with Known
Cross-Sectional Areas 245
CHAPTER 7 EIGHT MINUTES THAT CHANCED HISTORY 249
7.1 Newton's Laws of Motion 265
7.2 Galilean Checkpoint 268
7.3 Constants of Motion and Energy 272
7.3.1 Energy of a Tossed Object 272
7.3.2 Energy of a System Moving in a Single Dimension 274
V¨¹ ¨ª  CONTENTS
7.4 Kepler and Newton: Aristarchus Redeemed 275
7.4.1  Polar Coordinates 275
7.4.2 Angular Momentum 281
7.4.3 The Ellipse 287
EPILOGUE  295
BIBLIOGRAPHY  297
INDEX
299
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