| John G. Anderson - Shop mathematics - 1983 - 554 pages
...lies opposite the smallest angle. In trigonometry, this relationship is developed into the Sine Law: In any triangle, the sines of the angles are proportional to the lengths of the opposite sides. In Fig. 16-12, an acute oblique triangle ABC is shown. An altitude BD... | |
| Mechanical engineering - 1898 - 492 pages
...by Mr. Darcy E. Lewellen, of Columbus, Ind. Problem 6.— Since angle BDC — 90 degrees, and since in any triangle the sines of the angles are proportional to the sides oppo site, and since sides DA and DB are equal, the opposite angles must be equal. Since the sum of... | |
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