 | Thomas J. Foster - Coal mines and mining - 1891 - 444 pages
...POCKET-HOOK. PLANE TRIGONOMETRY. Plane Trigonometry treats of the solution of plane triangles. In every triangle there are six parts ; three sides and three angles. These parts are so related that when three of the parts are given, one being a side, the other parts may be found. An angle is... | |
 | International Correspondence Schools - Mining engineering - 1900 - 728 pages
...TRIGONOMETRY. P.ane trigonometry treats of the solution of plane triangles. In every triangle, there arc six parts— three sides and three angles. These parts are so related that when three of the parts are given, one being a side. the other parts may be found. An angle is... | |
 | William Findlay Shunk - Railroad engineering - 1908 - 386 pages
...PLANE TRIGONOMETRY. ln. DEFINITIONS. 1. Plane Trigonometry treats of the solution of plane triangles. In every plane triangle there are six parts, — three sides and three angles. When three of these parts are given, one heing a side, the remaining parts may be found hy computation.... | |
 | International Correspondence Schools - Naval art and science - 1911 - 450 pages
...•1 5 7 8 9 pp TRIGONOMETRY Plane Trigonometry treats of the solution of plane triangles. In every triangle there are six parts — three sides and three angles. These parts are so related that when three of the parts are given, one being a side, the other parts may be found. An angle is... | |
 | Thomas J. Foster - Coal mines and mining - 1916 - 1230 pages
...PLANE TRIGONOMETRY DEFINITIONS Plane trigonometry treats of the solution of plane triangles. In every triangle there are six parts — three sides and three angles. These parts are so related that when three of the parts are given, one being a side, the other parts may be found. An angle is... | |
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In every plane triangle there are six parts : three sides and three angles. These parts are so related to each other, that if a certain number of them are known or given, the remaining ones can be determined. 
