 | Education - 1914 - 220 pages
...one are equal respectively to two sides and the included angle of the other. Problem V. To construct a triangle when two sides and their included angle are given. Let angle A, fig. 31, be the given angle and c and d the given sides. Construct an angle B, fig. 32, equal... | |
 | Arthur Horace Blanchard - Bridges - 1919 - 1720 pages
...a complete check is obtained by finding one of the given angles by the use of one of formulas (2). Area of a Triangle. When two sides and their included angle are given, say a, b, C: Area = J-^ ah sin C. When two angles and a side, say A, B, r2 sin A. sin B c, are given:... | |
 | Arthur Horace Blanchard - Pavements - 1919 - 1692 pages
...angle. That is, a2 = b5 + c2 — 2 be cos A The law of cosines can be used to compute the third side of a triangle when two sides and their included angle are given. It can be used also to find the angles of a triangle when the three »ides art; given. Tt should not... | |
 | Frank Loxley Griffin - Calculus - 1922 - 548 pages
...opposite sides is to the sum of those sides.* This " tangent law " is adapted to the logarithmic solution of a triangle, when two sides and their included angle are given, say a, b, and C. For the sum \(A-\-B) is known, and by finding \(A — B) from (11), we can combine... | |
 | Clarence Addison Willis - Geometry, Modern - 1922 - 318 pages
...which makes an angle of 51° with the line of projection. 25. Find a general formula for the third side of a triangle when two sides and their included angle are given (see 252). Helps. — a 2 = 6 2 + c* — 26m; = cosine A .-. a 2 = 6 2 + c 2 — 26c-cosine A c 26.... | |
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B =r83° 25' 14". 100. Problem. To find the area of a triangle when two sides and their included angle are given. 
