## 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

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**find**the number corresponding to logarithm 3.538672 is 3456.78 ; 66 66 66 66 ...**arc**below 90 ° is less than unity . These sines are expressed in decimal ...**arc**and the co- sine of its complement . The degrees for the cosines must be ... Page xi

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**find**the correction for seconds . Thus the natural tangent of 32 ° 29 ′ 18 ′′ is .636784 ; 66 66 74 ° 35 ′ 55 ′′ is ...**arc**whose sine is .750000 . The next less sine in the table is .749919 , the**arc**corresponding to which is 48 ° 35 ... Page xii

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**find**the Logarithmic Sine or Tangent of a given**Arc**. Look for the degrees at the top of the page , the minutes on ...**found**four figures , to which the three leading figures are to be prefixed from the column headed 0 " ; to this add ... Page xiii

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**find**the logarithmic sine of an**arc**less than two degrees , we have but to add the logarithm of the**arc**expressed in seconds to the appropriate number**found**in this table . Required the logarithmic sine of 0 ° 7 ' 22 " . Tabular number ... Page xiv

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**found**by adding the log- arithmic cotangent to the logarithm of the**arc**expressed in seconds . Hence , to**find**the logarithmic cotangent of an**arc**less than two degrees , we must subtract from the tabular number the logarithm of the**arc**...### 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