To find the distance AB across a river, a distance BC= 205 is laid off on one side of the river. It is found that B = 113° and C = 18°. Find AB. See the picture below. Click on the picture to see it more clearly.
To find the distance AB across a river, a distance BC= 205 is laid off on one side of the river. It is found that B = 113° and C = 18°. Find AB. See the picture below. Click on the picture to see it more clearly.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Trigonometric Functions: Right Triangle Approach
Section5.2: Trigonometry Of Right Triangles
Problem 56E: Distance at Sea From the top of a 200-ft lighthouse, the angle of depression to a ship in the ocean...
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Transcribed Image Text:To find the distance AB across a river, a distance BC = 205 is laid off on one side of the river. It is found that B = 113° and C= 18°. Find AB.
See the picture below. Click on the picture to see it more clearly.
AB=
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C
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