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" As all the sines and cosines, all the tangents from o° to 45°, and all the cotangents from 45° to 90", are less than unity, the logarithms of these quantities have negative characteristics. "
Manual of mathematical tables, by J.A. Galbraith and S. Haughton - Página xvi
por Joseph Allen Galbraith - 1860
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Manual of plane trigonometry, by J.A. Galbraith and S. Haughton

Joseph Allen Galbraith - 1852 - 84 páginas
...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 - 360 páginas
...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 - 450 páginas
...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 - 642 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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