Step-by-step guidance for clear answers to common math problems, this guide has extensive coverage of all situations involving numbers. Technical terms are highlighted and cross-referenced, and the book includes a concise directory to all information.A Home and Business Reference Brian Burrell. If the hypotenuse z is known, the cosine of angle 6 can be used to find x with the formula x = z ac cos6 If the length x is known, the tangent of angle 6 can be used to finely with the ... Its usefulness lies in its relation to the length of the arc of a circle intercepted by the angle.

Title | : | Merriam-Webster's Guide to Everyday Math |

Author | : | Brian Burrell |

Publisher | : | Merriam-Webster - 1998-01-01 |

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