## A Treatise on Plane and Spherical Trigonometry, and on Trigonometrical Tables and Logarithms: Together with a Selection of Problems and Their Solutions |

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Treatise on Trigonometry and Trigonometrical Tables and Logarithms; Together ... John Hymers No preview available - 2015 |

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addition angular arcs Author base becomes calculation called circle circular cloth complete Comprising consequently containing corrected corresponding cosc cosec crown decimal denoted described determined difference digits distance dividing Edition elements equal equation evidently expressed former formula four fraction given gives greater Hence History Illustrations included increases integer intersection involve join known latter logarithms magnitude means measure middle multiple nearly negative observing obtain opposite perpendicular places plane Plates pole positive Post 8vo powers produced proved quantities radius relation remaining replacing respectively result revised right angles Second Second Edition shew sides Similarly sines and cosines solution sphere spherical triangle Square substituting suppose tables tangent Third Trigonometrical Ratios values vols Woodcuts zero

### Popular passages

Page 182 - A cos 6 = cos a cos c + sin a sin c cos B cos c = cos a cos 6 + sin a sin 6 cos C Law of Cosines for Angles cos A = — cos B...

Page 182 - B . sin c = sin b . sin C cos a = cos b . cos c + sin b . sin c cos b = cos a . cos c + sin a . sin c cos A cos B cos c = cos a . cos b + sin a . sin b . cos C ..2), cotg b . sin c = cos G.

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