## Algebra and TrigonometryWritten for a one- or two-term course at the freshman/sophomore level, the third edition covers the principles of college algebra, trigonometry, and analytic geometry in the concise and student-friendly style that have made Zill's texts a world-wide success. It includes all of the trademark features for which Zill is known including, lucid examples and problem sets, a rich pedagogy, a complete teaching and learning ancillary package, and much more. Throughout the text readers will find a wide range of word problems and relevant applications, historical accounts of famous mathematicians, and a strong variety of modern exercises. |

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### Contents

Review of Basic Algebra | 1 |

1 Equations and Inequalities | 65 |

2 Rectangular Coordinate System and Graphs | 123 |

3 Functions and Graphs | 155 |

4 Polynomial and Rational Functions | 225 |

5 Exponential and Logarithmic Functions | 279 |

6 Right Triangle Trigonometry | 319 |

7 Unit Circle Trigonometry | 353 |

10 Polar Coordinates | 487 |

11 Systems of Equations and Inequalities | 527 |

12 Matrices and Determinants | 565 |

13 Sequences Series and Probability | 627 |

Final Examination | 682 |

Answers to Selected OddNumbered Problems | 687 |

723 | |

Credits | 739 |

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### Common terms and phrases

algebraic Answers to selected augmented matrix calculator circle coefficients complex number cosine cosu cosx curve defined denominator determine directrix distance domain ellipse EXAMPLE Exercises Answers exponents expression factor foci focus formula function f geometric sequence Graph for Problem graph of f hyperbola inequality interval inverse length line segment linear logarithmic mathematical matrix multiplicity notation number line obtain odd function odd-numbered problems begin one-to-one one-to-one function parabola parametric equations Polar axis polar equation polynomial function positive integer quadratic quadratic formula quadratic function quotient radians radius rational function real number rectangular right triangle root row echelon form Section selected odd-numbered problems sequence shifted shown in FIGURE sine sinu sinx sketch the graph solution set solve square standard form symmetry terminal side Theorem trigonometric functions units variables vector vertex vertical asymptote x-axis x-intercepts y-axis π π