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" As in the latter case, all the sines and cosines, all the tangents from o° to 45°, and all the cotangents from 45° to 90°, are less than unity (or i), the logarithms of these quantities have negative characteristics or indices. "
Manual of Mathematicall Tables - Página 7
por Joseph Allen Galbraith, Samuel Haughton - 1860 - 252 páginas
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Manual of plane trigonometry, by J.A. Galbraith and S. Haughton

Joseph Allen Galbraith - 1852
...Given the cosecant = 2.1346521 ; find the angle. Ans. 27° 56' 4". TABLES OF LOGARITHMIC SINKS. 1o. In order to apply logarithmic calculations to trigonometrical...avoid the necessity of entering negative numbers, 1o is added to every logarithm before it is registered in the tables of logarithmic sines. Thus, on...
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A guide book to the Local marine board examination. The ordinary examination ...

Thomas Liddell Ainsley - 1864
...sines, &Q., though the latter are often necessary, or, in some simple kinds of calculation, preferable. As all the sines and cosines, all the tangents from...all the cotangents from 45* to 90°, are less than radius or unity ; the logarithms of the values of these quantities are decimal fractions and have negative...
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A guide book to the Local marine board examination. The ordinary examination ...

Thomas Liddell Ainsley - 1869
...though the latter are often necessary, or, in some simple kinds of calculation, preferable. As all tho sines and cosines, all the tangents from o° to 45°,...all the cotangents from 45° to 90°, are less than radius or unity; the logarithms of the values of these quantities are decimal fractions and have *...
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A Complete Epitome of Practical Navigation, and Nautical Astronomy ..., Volumen1

John William Norie, J. W. Saul - 1917 - 595 páginas
...&c., are constructed on the base of the natural sines, cosines, tangents, &c. As in the latter case, all the sines and cosines, all the tangents from o°...cotangents from 45° to 90°, are less than unity (or i), the logarithms of these quantities have negative characteristics or indices. But, in order...
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