Geometrical Interpretation
We assume side AC = b and AB = c. In addition, assume the unknown side BC = b lies along x  axis.
Case 0^{0} < C < 90^{0 } : In
this case we may get one or two triangles or no triangle satisfying
the data. Through C a straight line AC = b and angle between xaxis
and AC be Ð C. Draw AD = h, perpendicular
to xaxis. The various possibilities are described in the following
table.
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Index
3. 1 Solving Right Triangles
3. 2 Law of Cosines
3. 3 Law of Sines
3. 4 The Ambiguous Case of Law of Sines
3. 5 Areas of Triangles
Supplementary Problems
Chapter 4
