What do you do first if you are asked to solve a triangle and are given two sides and the angle opposite one of them?
The first thing you do is use the Law of Sines to determine whether the given parameters
form one, two, or no triangles.
When solving a triangle, determine what's the first thing you do when given two sides and
When given two sides and one angle, the first thing you do when solving a triangle is use the Law of Sines to determine whether the given parameters form one, two, or no triangles.
Mollweide’s Formula For any triangle, Mollweide’s Formula (named after Karl Mollweide, 1774–1825) states that
[Hint: Use the Law of Sines and then a Sum-to-Product Formula. Notice that this formula involves all six parts of a triangle. As a result, it is sometimes used to check the solution of a triangle.]
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