Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten Seconds of the Quadrant: With Other Useful TablesHarper & brothers, 1859 - 150 páginas |
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Página 10
... figures . This is to show that the two figures which are to be prefixed from the first column have changed , and they are to be taken from the horizontal line di- rectly below . The place of the dots is to 10 TRIGONOMETRY .
... figures . This is to show that the two figures which are to be prefixed from the first column have changed , and they are to be taken from the horizontal line di- rectly below . The place of the dots is to 10 TRIGONOMETRY .
Página 11
... horizontal line below , if any dots have been passed over on the same horizontal line . Thus the logarithm of 1628 is 3.211654 . To find the Logarithm of any Number containing more than four Figures . ( 7. ) By inspecting the table , we ...
... horizontal line below , if any dots have been passed over on the same horizontal line . Thus the logarithm of 1628 is 3.211654 . To find the Logarithm of any Number containing more than four Figures . ( 7. ) By inspecting the table , we ...
Página 29
... horizontal line is quite small . When great accuracy is required , the table on page 114 may be employed for arcs near the limits of the quadrant . This table furnishes the differences between the logarithmic sines and the logarithms of ...
... horizontal line is quite small . When great accuracy is required , the table on page 114 may be employed for arcs near the limits of the quadrant . This table furnishes the differences between the logarithmic sines and the logarithms of ...
Página 44
... horizontal line , and extend the other foot to G , the fifth diagonal line . A half inch or less is frequently subdivided in the same manner . ( 61. ) A line of chords , commonly marked сHO . , is found on most plane scales , and is ...
... horizontal line , and extend the other foot to G , the fifth diagonal line . A half inch or less is frequently subdivided in the same manner . ( 61. ) A line of chords , commonly marked сHO . , is found on most plane scales , and is ...
Página 48
... horizontal position , B the other a vertical . The angle ACD is called the first quadrant , the angle DCB the second ... horizontal diameter , and on the right of the vertical diameter ; the second quadrant is above the horizontal diame ...
... horizontal position , B the other a vertical . The angle ACD is called the first quadrant , the angle DCB the second ... horizontal diameter , and on the right of the vertical diameter ; the second quadrant is above the horizontal diame ...
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Términos y frases comunes
9 I I altitude angle of elevation arithm base chains circle Co-sine Co-tangent complement computed correction cosecant course and distance decimal diameter diff difference of latitude difference of longitude Dist divided equal equator fifth figure find the angles find the area find the Logarithm frustum given number given the angle height Hence horizontal plane hypothenuse inches latitude and departure length LO LO LO logarithmic sine measured meridian middle latitude miles minutes Multiply natural number nautical miles parallel parallel sailing perpendicular places plane sailing Prob Prop proportional quadrant radius Required the logarithmic right-angled spherical triangle right-angled triangle Sandy Hook secant ship sails side AC spherical triangle ABC SPHERICAL TRIGONOMETRY station subtract surface tabular number tang Tangent telescope theodolite Theorem vernier vertical Vulgar Fraction wyll yards zoids ΙΙ ΙΟ
Pasajes populares
Página 20 - The circumference of every circle is supposed to be divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc.
Página 163 - In any spherical triangle, the sines of the sides are proportional to the sines of the opposite angles. In the case of right-angled spherical triangles, this proposition has already been demonstrated.
Página 69 - FIND the area of the sector having the same arc with the segment, by the last problem. Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector.
Página 54 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Página 69 - TO THE NUMBER OF DEGREES IN THE ARC ; So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR.
Página 73 - To find the solidity of a pyramid. RULE. Multiply the area of the base by one third of the altitude.
Página vi - The characteristic of the logarithm of ANY NUMBER GREATER THAN UNITY, is one less than the number of integral figures in the given number.
Página 184 - If a heavy sphere, whose diameter is 4 inches, be let fall into a conical glass, full of water, whose diameter is 5, and altitude 6 inches ; it is required to determine how much water will run over ? AHS.