Two ships leave a dock at the same time. One sails northeast at the rate of 8.5 miles an hour. How far are they at the end of 2 hours? ( Two sides and the included angle given.)
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
1. Two ships leave a dock at the same time. One sails northeast at the rate of 8.5 miles an hour. How far are they at the end of 2 hours? ( Two sides and the included
2. Three towns, A, B, and C, are situated so that AB=300 miles, AC=194 miles, and BC=160 miles, B being due north of C. Find the direction from B to A ( Three sides given)
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