Elements of Surveying, and Navigation: With a Description of the Instruments and the Necessary Tables |
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Page 38
... cotang , and cotang with tang , as in the tables ( Art . 49 ) . If the angle is greater than 90 ° , we have only to subtract it from 180 ° , and take the sine , cosine , tangent or cotangent of the remainder . The column of the table ...
... cotang , and cotang with tang , as in the tables ( Art . 49 ) . If the angle is greater than 90 ° , we have only to subtract it from 180 ° , and take the sine , cosine , tangent or cotangent of the remainder . The column of the table ...
Page
... Cotang . 0.000000 ] Inhalte . 60 000000 00 3 940817 208231 000000 00 47.065786 161517 000000 00 6.463726501717 ... Cotang . Tang . M. M. Sine D. Cosine D. Tang . D Cotang . 89 Degrees . 18 ( 0 Degree . ) A TABLE OF LOGARITHMIC.
... Cotang . 0.000000 ] Inhalte . 60 000000 00 3 940817 208231 000000 00 47.065786 161517 000000 00 6.463726501717 ... Cotang . Tang . M. M. Sine D. Cosine D. Tang . D Cotang . 89 Degrees . 18 ( 0 Degree . ) A TABLE OF LOGARITHMIC.
Page 1
... Cotang . 08.241855 119639.999934 04 8.241921 11967 11.758079 60 1 10 11 8.314954 10122 249033 11768 256094 11580 263042 11398 269881 11221 276614 11050 283243 10883 289773 10721 296207 10565 302546 10413 308794 10266 999932 04 249102 ...
... Cotang . 08.241855 119639.999934 04 8.241921 11967 11.758079 60 1 10 11 8.314954 10122 249033 11768 256094 11580 263042 11398 269881 11221 276614 11050 283243 10883 289773 10721 296207 10565 302546 10413 308794 10266 999932 04 249102 ...
Page 2
... 59 716383 4029 999411 11 60 7188001 4006 99940411 Cosine Sine 716972 4040 719396 4017 Cotang . 283028 280304 0 Tang . M. 123456789 M. Sine 0j8.718800 ) 4006 721204 3984 D. Cosine 7 Degrees . zo ( 2 Degrees . ) A TABLE OF LOGARITHMIC.
... 59 716383 4029 999411 11 60 7188001 4006 99940411 Cosine Sine 716972 4040 719396 4017 Cotang . 283028 280304 0 Tang . M. 123456789 M. Sine 0j8.718800 ) 4006 721204 3984 D. Cosine 7 Degrees . zo ( 2 Degrees . ) A TABLE OF LOGARITHMIC.
Page 3
... Cotang . 9.999404 11 8.719396 | 4017 11.280604 60 999398 ) 11 721806 3995 278194 59 723595 3962 999391 11 724204 3974 275796 58 725972 3941 999384 11 726588 3952 273412 57 728337 3919 999378 11 728959 3930 271041 56 730688 3898 999371 ...
... Cotang . 9.999404 11 8.719396 | 4017 11.280604 60 999398 ) 11 721806 3995 278194 59 723595 3962 999391 11 724204 3974 275796 58 725972 3941 999384 11 726588 3952 273412 57 728337 3919 999378 11 728959 3930 271041 56 730688 3898 999371 ...
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Elements of Surveying, and Navigation: With a Description of the Instruments ... Charles Davies No preview available - 2016 |
Elements of Surveying, and Navigation: With a Description of the Instruments ... Charles Davies No preview available - 2016 |
Popular passages
Page 12 - FRACTION is a negative number, and is one more than the number of ciphers between the decimal point and the first significant Jigure.
Page 49 - ... the square of the hypothenuse is equal to the sum of the squares of the other two sides.
Page 41 - 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 34 - 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, fourths, &c.
Page 73 - Being on a horizontal plane, and wanting to ascertain the height of a tower, standing on the top of an inaccessible hill, there were measured, the angle of elevation of the top of the hill 40°, and of the top of the tower 51° ; then measuring in a direct line 180 feet farther from the hill, the angle of elevation of the top of the tower Cway 33° 45' ; required the height of the tower.
Page 40 - THEOREM I. The sides of a plane triangle are proportional to the sines of their opposite angles.
Page 19 - A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse.
Page 85 - What must be the nominal value of 4% bonds that will yield to their owner an annual income of $720 ? 7. A owns $6000 of 5% bonds; B owns $8000 of 4£% bonds. How much greater is the annual income from B's bonds than from A's ? 8. Find the area of a piece of land in the form of a rhomboid, whose base is 32 rods and whose altitude is 15 rods.
Page 35 - The secant of an arc is the line drawn from the centre of the circle through one extremity of the arc, and limited by the tangent passing through the other extremity. Thus, OC is the secant of the arc AB.
Page 130 - Take a board, of about one foot square, paste white paper upon it, and perforate it through the center; the diameter of the hole being somewhat larger than the diameter of the telescope of the theodolite. Let this board be so fixed to a vertical staff" as to slide up and down freely ; and let a small piece of board, about three inches square, be nailed to the lower edge of it, for the purpose of holding a candle. About twenty-five minutes before the time of the greatest eastern or western elongation...