Finding the Distance of a Ship from Shore A person in asmall boat, offshore from a vertical cliff known to be 100 feetin height, takes a sighting of the top of the cliff. If the angleof elevation is found to be 25°, how far offshore is the boat?
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.
Finding the Distance of a Ship from Shore A person in a
small boat, offshore from a vertical cliff known to be 100 feet
in height, takes a sighting of the top of the cliff. If the angle
of elevation is found to be 25°, how far offshore is the boat?
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