Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten Seconds of the Quadrant: With Other Useful Tables |
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Page 3
... means of the accompanying tables , such computations can be performed with great facility and precision This volume , having been used by several successive classes , has been subjected to the severest scrutiny , and the present edition ...
... means of the accompanying tables , such computations can be performed with great facility and precision This volume , having been used by several successive classes , has been subjected to the severest scrutiny , and the present edition ...
Page 7
... means of negative exponents . Thus , since 10 - 1 = 0.1 , -1 is the logarithm of 0.1 10-2-0.01 , -2 66 10--0.001 , -3 in Briggs ' system ; ( 6 0.01 ( 6 66 66 66 } 0.001 ( 6 66 0.0001 66 & c . , & o . A 10- = 0.0001 −4 ( 6 & c . , Hence ...
... means of negative exponents . Thus , since 10 - 1 = 0.1 , -1 is the logarithm of 0.1 10-2-0.01 , -2 66 10--0.001 , -3 in Briggs ' system ; ( 6 0.01 ( 6 66 66 66 } 0.001 ( 6 66 0.0001 66 & c . , & o . A 10- = 0.0001 −4 ( 6 & c . , Hence ...
Page 14
... means of the Proportional Parts at the bottom of the page . Required the number belonging to the logarithm 4.368399 . On page 6 , we find the next less logarithm .368287 . The four corresponding figures of the natural number are 2335 ...
... means of the Proportional Parts at the bottom of the page . Required the number belonging to the logarithm 4.368399 . On page 6 , we find the next less logarithm .368287 . The four corresponding figures of the natural number are 2335 ...
Page 15
... means of logarithms in the same manner as positive , the proper sign being prefixed to the result according to the rules of Algebra . To distinguish the negative sign of a natural number from the negative characteristic of a logarithm ...
... means of logarithms in the same manner as positive , the proper sign being prefixed to the result according to the rules of Algebra . To distinguish the negative sign of a natural number from the negative characteristic of a logarithm ...
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... divided by .00928 . Ex . 6. Required the quotient of 24.934 divided by .078541 . Negative quantities may be divided by means of logarithms in the same manner as positive , the proper sign 16 TRIGONOMETRY . Division by Logarithms.
... divided by .00928 . Ex . 6. Required the quotient of 24.934 divided by .078541 . Negative quantities may be divided by means of logarithms in the same manner as positive , the proper sign 16 TRIGONOMETRY . Division by Logarithms.
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Common terms and phrases
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
Popular passages
Page 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.
Page 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.
Page 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.
Page 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.
Page 69 - TO THE NUMBER OF DEGREES IN THE ARC ; So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR.
Page 73 - To find the solidity of a pyramid. RULE. Multiply the area of the base by one third of the altitude.
Page 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.
Page 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.