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.
Redwood trees in California’s Redwood National Park are hundreds of feet tall. The height of one of these trees is represented by h in the figure shown. Solve, a. Use the measurements shown to find a, to the nearest tenth of a foot, in oblique triangle ABC. b. Use the right triangle shown to find the height, to the nearest tenth of a foot, of a typical redwood tree in the park.
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