| William Mudge, Isaac Dalby, Thomas Colby - Arc measures - 1801 - 690 pages
...— 5.3144251 = log. area in feet — 9.3267737 = log. excess in seconds ; that is to say./rom tbe logarithm of the area of the triangle taken as a plane...feet, subtract the constant logarithm 9.3267737, and tbe remainder is tbe logarithm of tbe excess above 180° in seconds nearly. Calculation of tbe Triangles,... | |
| Thomas Keith - Navigation - 1810 - 478 pages
...the surface of the earth f, ought to exceed 180°; which excess may be found by the following rule. From the logarithm of the area of the triangle taken...plane one, in feet, subtract the constant logarithm 9-3267737, and the remainder is the logarithm of the excess above 180° in seconds nearly^.. Put |-... | |
| Charles Hutton - Mathematics - 1811 - 404 pages
...Exposition des Operations faites en Lapponie ;" but it is defective in |>oint of perspicuity, '2. From ¡2. From the logarithm of the area of the triangle, taken as a plane one, in feet, subtract the constant log 9'3267737, then the remainder is the logarithm of the excess above ISO", in seconds nearly*. 3.... | |
| Charles Hutton - Mathematics - 1812 - 624 pages
...Exposition des Upcrationa faitesen l.apponie i" butit is defective in point of perspicuity. 2. From 2. From the logarithm of the area of the triangle, taken as a plane one, in feet, subtract the constant log 9-3267737 then the remainder is'the logarithm of the excess above I 80^ in seconds nearly*. 3.... | |
| Olinthus Gregory - Plane trigonometry - 1816 - 278 pages
...the Memoirs of the Parie Academy, for 11S7, The invtetigu tioa U«re given is by Mi DeliUabre. '2. From the logarithm of the area of the triangle, taken as a plane one, in feet, subtract the constant log 9-3267737, then the remainder is the logarithm of the excess above 180°, in seconds nearly.* 3.... | |
| Olinthus Gregory - Plane trigonometry - 1816 - 276 pages
...announced by M. in the Memoirs of the Paris Academy, for 1T87. tiou here given is bj M. Delambre. 2. Fron the logarithm of the area of the triangle, taken as a plane one, in feet, subtract the constant log 9'3267737, then the remainder is the logarithm of the excess above 180°, in seconds nearly.* 3.... | |
| John Bonnycastle - Trigonometry - 1818 - 488 pages
...triangle above two right angles, be required, it may be obtained by the following practical rule : From the logarithm of the area of the triangle, taken...plane one, in feet, subtract the constant logarithm 9-3267737, and the remainder will be the logarithm of the excess of the 3 angles of the A above 180°... | |
| Charles Hutton - Arithmetic - 1818 - 652 pages
...n des Opérations faitea en LatJ. ponie ;" but it is defective in point of perspicuity, 2. From 2. From the logarithm of the area of the triangle, taken as a plane onf>, in feet, subtract the constant log f> 3267737 then the remainder i* the logarithm of the excess... | |
| James Mitchell - Mathematics - 1823 - 666 pages
...for 1190, where he gives the following rule, for computing what he calls the spherical excess : viz. From the logarithm of the area of the triangle taken as a plane one i* feet, subtract tiw constant 9-K67737, and the refn it the logarithm of tin excess above IKO* in... | |
| Charles Hutton - Mathematics - 1831 - 656 pages
...radios. If this formula be applied logarithmically ; then log a" = log _!_ = 5-3144251. 6 arc 1 2. From the logarithm of the area of the triangle, taken as a plane one, in i'eet, subtract the constant log 9-3267737, then the remainder is the logarithm of the excess above... | |
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