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 state trooper is hidden 30 feet from a highway. One second after a truck passes, the angle ? between the road and the observation line from the patrol to the truck is measured.
What is the distance (in ft) between the policeman and the truck after 1 second, if ? = 25∘?
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