A Complete Treatise on Practical Mathematics: Including the Nature and Use of Mathematical Instruments: Logarithmic Tables, Trigonometry, Mensuration of Heights and Distances,--of Surfaces & Solids, Land Surveying, Gunnery, Gauging, Artificer's Measuring, Miscellaneous Exercises. With an Appendix on Algebra ... Principally Designed for the Use of Schools and AcademiesBell and Bradfute, 1792 - 431 sider |
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Resultat 1-5 av 12
Side i
... VARIETY OF SUITABLE EXAMPLES TO EACH RULE . Principally defigned FOR THE USE OF SCHOOLS AND ACADEMIES . BY JOHN MACGREGOR , TEACHER OF MATHEMATICS , EDINBURGH . EDINBURGH : PRINTED FOR BELL AND BRADFUTE , AND G. G. J. & J. ROBINSON ...
... VARIETY OF SUITABLE EXAMPLES TO EACH RULE . Principally defigned FOR THE USE OF SCHOOLS AND ACADEMIES . BY JOHN MACGREGOR , TEACHER OF MATHEMATICS , EDINBURGH . EDINBURGH : PRINTED FOR BELL AND BRADFUTE , AND G. G. J. & J. ROBINSON ...
Side viii
... variety of miscellaneous queftions , with their answers , are propofed , as a general exer- cife and conclufion to the work . UPON the whole , It is hoped that , by means of the prefent treatise , the business of teaching and learning ...
... variety of miscellaneous queftions , with their answers , are propofed , as a general exer- cife and conclufion to the work . UPON the whole , It is hoped that , by means of the prefent treatise , the business of teaching and learning ...
Side 31
... Variety 1. making AB rad . BC becomes the tangent , and AC the fecant of angle A. Whence arife the following pro ... Variety 2. making BC rad . BA becomes the tangent , and AC the fecant of the angle at C. Hence the following pro ...
... Variety 1. making AB rad . BC becomes the tangent , and AC the fecant of angle A. Whence arife the following pro ... Variety 2. making BC rad . BA becomes the tangent , and AC the fecant of the angle at C. Hence the following pro ...
Side 32
... Variety 3. Making AC rad . BC becomes the fine of angle A , and AB fine angle C. Hence the following proportions . To find BC . As fiffe C 59 ° 20 ' is to AB ... Variety Variety 2. Making BC rad . AB becomes the tangent 32 TRIGONOMETRY .
... Variety 3. Making AC rad . BC becomes the fine of angle A , and AB fine angle C. Hence the following proportions . To find BC . As fiffe C 59 ° 20 ' is to AB ... Variety Variety 2. Making BC rad . AB becomes the tangent 32 TRIGONOMETRY .
Side 33
... Variety 2. Making BC rad . AB becomes the tangent , and AC the fecant of angle C. Hence arife the following propor- tions . To find AB . · As rad . 90 ° Is to BC 4876 , So tan . C 36 ° 57 ' · To find AC . As rad . 90 ° 10.00000 ...
... Variety 2. Making BC rad . AB becomes the tangent , and AC the fecant of angle C. Hence arife the following propor- tions . To find AB . · As rad . 90 ° Is to BC 4876 , So tan . C 36 ° 57 ' · To find AC . As rad . 90 ° 10.00000 ...
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Vanlige uttrykk og setninger
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Populære avsnitt
Side 27 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Side 115 - Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Side 3 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Side 232 - E, is equal to twice as many right angles as the figure has sides, less four right angles.
Side 1 - ... common to the two triangles AFE, BFE, there are two sides in the one equal to two sides in the other, each to each ; and the base EA is equal to the base EB ; (i.
Side 38 - BG; that is, the fum of the fides is to their difference, as the tangent of half the fum of the angles at the bafe to the tangent of half their difference.
Side 372 - Subtract the square number from the left hand period, and to the remainder bring down the next period for a dividend. III. Double the root already found for a divisor ; seek how many times the divisor is contained...
Side 38 - AB the greater side for a distance, let a circle be described, meeting AC, produced in E, F, and BC in D; join DA, EB, FB; and draw FG parallel to BC, meeting EB in G. The angle EAB (32.
Side 38 - ACB (32. 1.) is equal to the angles CAD and ADC, or ABC together ; therefore FAD is the difference of the angles at the...
Side 395 - TO divide a given ftraight line into two parts, fo that the rectangle contained by the whale, and one of the parts, fhall be equal to the fquare of the other part. Let AB be the given ftraight line; it is required to divide it into two parts, fo that the rectangle contained by the whole, and one of the parts, fhall be equal to the fquare of the other part. Upon AB...