## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh and Twelfth |

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Page iv

261 The DATA ............. ........ 333 NOTES on the DATA ......... ... 437 PLANE TRIGONOMETRY ............. 453 CONSTRUCTION of the TRIGONOMETRICAL CANON .......... 469 Of

261 The DATA ............. ........ 333 NOTES on the DATA ......... ... 437 PLANE TRIGONOMETRY ............. 453 CONSTRUCTION of the TRIGONOMETRICAL CANON .......... 469 Of

**LOGARITHMS**.... 476 SPHERICAL TRIGONOMETRY ..... 489 . Page viii

ROBERTson's concise account of

ROBERTson's concise account of

**Logarithms**( being highly useful additions ) , are preserved in this impression , and the whole has been carefully revised throughout . Short Notices of the Lives of EUCLID , and of his ablest translator ... Page xii

... Porisms * : ( 3 ) A Tract on

... Porisms * : ( 3 ) A Tract on

**Logarithms**: ( 4 ) On the Limits of Quantities and Ratios : ( 5 ) Some Select Geometrical Problems . * A part of this Treatise was translated by the Rev. John Lawson , and is in his Mathematical Tracts . Page 475

... that is , T. : R . :: R. : Cot . BD : BC :: BA : BE ; that is , Cos .: R . :: R .: Secant . CD : BC :: BH : BK ; that is , S. : R . :: R .: Cosec . 1 OF

... that is , T. : R . :: R. : Cot . BD : BC :: BA : BE ; that is , Cos .: R . :: R .: Secant . CD : BC :: BH : BK ; that is , S. : R . :: R .: Cosec . 1 OF

**LOGARITHMS**. 1. The indices or exponents of a TRIGONOMETRICAL CANON . 475. Page 476

OF

OF

**LOGARITHMS**. 1. The indices or exponents of a series of numbers in geometrical progression , proceeding from 1 , are also called the**logarithms**of the numbers in that series * Thus , if a denote any number , and the geometrical ...### What people are saying - Write a review

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The Elements of Euclid: Viz. The First Six Books, Together With the Eleventh ... Euclid Euclid No preview available - 2018 |

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added altitude angle ABC angle BAC base Book centre circle circle ABCD circumference common cone contained cylinder definition demonstrated described diameter difference divided double draw drawn equal equal angles equiangular equimultiples Euclid excess figure fore four fourth given angle given in position given in species given magnitude given ratio given straight line greater Greek half join less likewise logarithm magnitude manner meet multiple opposite parallel parallelogram pass perpendicular plane prism produced PROP proportionals proposition proved pyramid radius reason rectangle rectilineal figure remaining right angles segment shewn sides similar sine solid sphere square square of AC taken THEOR third triangle ABC wherefore whole