## Fundamentals of trigonometryCompleting the time-proven Swokowski/Cole precalculus series, this book helps students learn, understand, and appreciate trigonometry without compromising mathematical integrity. The book takes a unit-circle first approach to trigonometry and incorporates the use of the graphing calculator. Numerous application problems help motivate students toward success in learning trigonometry. |

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### Contents

PREREQUISITES FOR TRIGONOMETRY 1 Real Numbers | 1 |

Coordinate Systems and Graphs in Two Dimensions | 8 |

Graphs | 15 |

Copyright | |

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angle 9 approximate arcsin axis CALCULATOR EXERCISES Optional called circle of radius common logarithms complex number coordinate plane corresponding cos0 cos2 cosf cosx cscf csct curve defined definition degree measure denote distance domain ellipse equations in Exercises Example 3 Find Express Find an equation foci formula Fundamental Identities given equation gives hence hyperbola illustrated in Figure integer intersects interval 0,2n inverse trigonometric functions Law of Sines Law of Tangents length line segment loga logarithms logx multiply negative notation nth roots obtain one-to-one ordered pairs ordinate parabola parametric equations polar equation positive real number quadrant radian measure rectangular coordinate system reference number right triangle rotation of axes Section sin0 sin2 sinf sint sinx sketch the graph sketched in Figure slope solve standard position Substituting Table tan0 tangent terminal side Theorem triangle ABC trigonometric functions unit circle vector vertex vertices x-axis y-axis y-intercept