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May 29, 2015

Homework Help: trigonometry

Posted by Winsel on Tuesday, August 10, 2010 at 10:25am.

From a mountain 1780 ft. high, the angle of depression of a point on the nearer shore of a river is 48deg40mins and of point directly across on the opposite side is 22deg20mins. What is the width of the river between the two points?

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