o measure the height of the cloud cover at an airport, a worker shines a powerful spotlight upward at anangle 85from the horizon. An observer 500m away measures the angle of elevation to the spot of light to be 40. Find the height hof the cloud cover(to the nearest meter).
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.
To measure the height of the cloud cover at an airport, a worker shines a powerful spotlight upward at anangle 85from the horizon. An observer 500m away measures the
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