## Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten Seconds of the Quadrant: With Other Useful TablesHarper & Brothers, 1857 - 150 pages |

### From inside the book

Page iv

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**computed**entirely anew . The corresponding table in common use , which was originally**computed**by Workman , contains more than four hundred errors , sev- eral of them amounting to two minutes . On the whole , it is believed that the ... Page xii

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**computed**for a radius of 10,000,000,000 . Required the logarithmic tangent of 73 ° 35 ' 43 " . The logarithmic tangent of 73 ° 35 ' 40 " is 10.531031 . Proportional part for 3 ′′ is Logarithmic tangent of 73 ° 35 ′ 43 ′′ 23 . 10.531054 ... Page xiii

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**computed**for the minutes placed opposite to them , increased by 30 " , and are not strictly applicable to any other number of seconds ; nevertheless , the differences for the most part change so slowly , that the error resulting from ...### Other editions - View all

### Common terms and phrases

12 Degrees 13 Degrees 76 Degrees 77 Degrees 85 Degrees 9 I I 9 II 9 ΙΟ 9Min A-log A+ log arc corresponding arc expressed arc less arithmic bottom characteristic Co-sine of 16 Co-tangent of 15 Co-tangent of 87 column headed computed corresponding to logarithmic cosecant cosine of 59 difference of latitude Dist expressed in seconds fifth figure find the arc find the Logarithm found exactly given number Hence the required latitude and departure leading figures logarithmic cosine logarithmic cotangent logarithmic sine logarithmic tangent LOGARITHMS OF NUMBERS manner we find middle latitude Natural Co-sines Natural Co-tangents natural number natural sines number of seconds prefixed proportional quadrant radius Required the logarithmic secant sine of 24 Sine of 73 Sine of 9 Sine or Tangent sines and tangents subtract TABLE OF LOGARITHMIC table of natural tabular difference tabular number tangent of 73 vertical column Vulgar Fraction ΙΙΟ ΙΟΙ