Hints for solving word problems.....

right triangle, 2 sides . Primary Trig Ratios: right triangle, 1 side & 1 angle . right triangle, 2 sides . Sine Law: 2 angles & 1 side . 2 sides & 1 opposite angle. Cosine Law: 3 sides. sides & contained angle. Solve for appropriate angle or side. Write a conclusion answering the question. Example 1: Airport X is 150km east of airport Y. ................
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