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To find the distance AB across a river, a distance BC = 290 is laid off on one side of the river. It is found that B = 109 and C = 18°. Find AB. See the picture below. Click on the picture to see it more clearly. AB=

To find the distance AB across a river, a distance BC = 290 is laid off on one side of the river. It is found that B = 109 and C = 18°. Find AB. See the picture below. Click on the picture to see it more clearly. AB=

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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To find the distance AB across a river, a distance BC = 290 is laid off on one side of the river. It is found that B = 109° and C= = 18°. Find AB. See the picture below. Click on the picture to see it more clearly. AB= A B Re
Transcribed Image Text:To find the distance AB across a river, a distance BC = 290 is laid off on one side of the river. It is found that B = 109° and C= = 18°. Find AB. See the picture below. Click on the picture to see it more clearly. AB= A B Re
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