Figure 4-6. A right triangle
i. Before any attempt is made to solve a trigonometric problem, the following steps should be
completed.
Construct a figure as near as possible to scale.
Letter each given part on the diagram.
Outline the solution, specifying each triangle and formula to be used.
Solve each formula for the unknown quantity.
j. To solve the right triangle shown in Figure 4-7, you must find all six parts by following the
steps above.
Figure 4-7. Sketch of problem
EN0591
4-14
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