February 28, 2017

Homework Help: trig

Posted by utlwanang on Sunday, May 26, 2013 at 7:31am.

please am stucked help me.in the diagram below.A,B and C are three points in the same horizontal plane and DC is a vertical tower.AC=AB=x and D^C=DB.the angle of elevation of D from C is alpha and DB^C=theta

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