A hot-air balloon is rising vertically. The angle of elevation from a point on level ground 127 feet from the balloon to a point directly under the passenger compartment changes from 16.7° to 33.6°. How far to the nearest 10th of a foot does the balloon rise during this period
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.
A hot-air balloon is rising vertically. The
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