from a hot air balloon 2 km high, a person look east sees one town with angle of depression of 12 degree. He then looks west to see another town with the angle of depression of 83 degree. The distance between the two towns is ? km Round to the nearest tenth.
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.
from a hot air balloon 2 km high, a person look east sees one town with
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