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April 2, 2015

Homework Help: trig

Posted by Anonymous on Wednesday, February 15, 2012 at 6:19am.

from an observer tower, a ff.above the level of a river,the angle of depression of a point on the near shore is theta and that of a point directly beyond on the far shore is FI. show that the width of the river is a (cotan theta=p+q/r)

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