Strong Algebra and Trigonometry skills are crucial to success in calculus. This text is designed to bolster these skills while students study calculus. As students make their way through the calculus course, this supplemental text shows them the relevant algebra or trigonometry topics and points out potential problem spots. The table of contents is organized so that the algebra and trigonometry topics are arranged in the order in which they are needed for calculus. The exponential, log, and inverse trigonometric functions are given in the appendices, to be used as the need arises in the particular calculus text used in the course. Topics include: 1. Numbers and Their Disguises 2. Completing the Square 3. Solving Equations 4. Functions and Their Graphs 5. Changing the Form of a Function 6. Simplifying Algebraic Expressions 7. Cyclic Phenomena: The Six Basic Trigonometric Functions 8. Composition and Decomposition of Functions 9. Equations of Degree 1 Revisited 10. Word Problems 11. Trigonometric Identities
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Strong algebra and trigonometry skills are crucial to success in calculus. This text is designed to bolster these skills while readers study calculus. As readers make their way through the calculus course, this supplemental text shows them the relevant algebra or trigonometry topics and points out potential problem spots. The table of contents is organized so that the algebra and trigonometry topics are arranged in the order in which they are needed for calculus. Numbers and Their Disguises: Multiplying and dividing fractions, adding and subtracting fractions, parentheses, exponents, roots, percent, scientific notation, calculators, rounding, intervals. Completing the Square: Completing the square in one and two variables. Solving Equations: Equations of degree 1 and 2, solving other types of equations, rational equations, the zerofactor property. Functions and Their Graphs: Introduction, equations of lines, power functions, shifting graphs, intersection of curves. Cyclic Phenomena: The Six Basic Trigonometric Functions: Angles, definitions of the six trigonometric functions, basic identities, special angles, sum formulas. Exponential Functions: The family of exponentials, the function. Composition and Inverse Functions: Composite functions, the idea of inverses, finding an inverse of f given by a graph, finding the inverse of f given by an expression. Logarithmic Functions: Definition of logarithms, logs as inverses of exponential functions, laws of logarithms, the natural logarithm. Inverse Trigonometric Functions: The definition of arcsin x, the functions arctan x and arcsec x, inverse trigonometric identities. Changing the Form of a Function: Factoring, canceling, long division, rationalizing, extracting a factor from under a root. Simplifying Algebraic Expressions: Working with difference quotients and rational functions, canceling common factors, rationalizing expressions. Decomposition of Functions: Inner, outer, and outermost functions, decomposing composite functions. Equations of Degree 1 Revisited: Solving linear equations involving derivatives. Word Problems, Algebraic and Transcendental: Algebraic word problems, the geometry of rectangles, circles and spheres, trigonometric word problems, right angle triangles, the law of sines and the law of cosines, exponential growth and decay. Trigonometric Identities: Rewriting trigonometric expressions using identities. For all readers interested in algebra and trigonometry in early transcendentals calculus.
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