A boat is approaching a cliff known to be 40 m tall. If the angle of elevation from the boat is 30°, 7. how far away is the boat from the cliff? Give the exact value, not an approximation. a. 20/3 n b. 40/3 m c. 3 m d. 203 m
A boat is approaching a cliff known to be 40 m tall. If the angle of elevation from the boat is 30°, 7. how far away is the boat from the cliff? Give the exact value, not an approximation. a. 20/3 n b. 40/3 m c. 3 m d. 203 m
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter6: Circles
Section6.2: More Angle Measures In The Circle
Problem 27E: An airplane reaches an altitude of 3mi above the earth. Assuming a clear day and that a passenger...
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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.
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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.
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