 | Alfred Challice Johnson - Spherical trigonometry - 1871 - 178 pages
...clear the other end of the reef, if she can lay within б points of the wind? Ans. 7-07 miles. EULE III. Two sides and the included angle being given, to find the other two angles, and the remaining side. Example. Given a = 70, b = 64, and angle С = 66° 20' 30" ; to... | |
 | Henry W. Jeans - 1872 - 142 pages
...fourth may be computed. This proportion, in logarithms, is the Eule (Part I.). (86.) Proof of Rule III. Two sides and the included angle being given, to find the remaining angles. .-. tan. AB=~- . tan. =~ . tan. a + b therefore in logarithms log.tan.4(AB)-10=log.tan4(180°-C)-10+l... | |
 | Henry William Jeans - 1873 - 292 pages
...39' 45", or 99° 20' 15" & = 3084-33 C = 43 7 30, or 24 27 A = 56°12'45" c=2136-7, or 1293-7 EULE III. Two sides and the included angle being given, to find the remaining angles. Subtract the given angle from 180°, and thus find the supplement : divide the supplement... | |
 | Henry W. Jeans - 1873 - 272 pages
...39' 45", or 99° 20' 15" 6 = 3084-33 0 = 43 7 30, or 24 27 A = 56°12'45" c=2136-7, or 1293-7 EULE III. Two sides and the included angle being given, to find the remaining angles. Subtract the given angle from 180°, and thus find the supplement : divide the supplement... | |
 | Elias Loomis - Conic sections - 1877 - 458 pages
...the triangle. ' , III. Given two sides of a triangle and the included angle, to find the other parts. Draw one of the given sides. From one end of it lay...off the given angle, and draw the other given -side, making the require,! angle with the first side. Then connect the extremities of the two sides, and... | |
 | Elias Loomis - Navigation - 1878 - 372 pages
...angle A, 105°, the side BC, 498, and the side AC, 375, to construct the triangle. tS TRIGGNOMETHI Draw one of the given sides. From one end of it lay off th( given angle, and draw the other given side, making the requiied angle with the first side. Then... | |
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III. Two sides and the included angle being given ; to find the other side and angles. Draw one of the given sides. From one end of it lay off the given angle, and draw the other given side. Then connect the extremities of this and the first line. Ex.... 
