D-3vertical tower stands on a horizontal plane and is surmounted by a – InterviewSolution

1.	D-3vertical tower stands on a horizontal plane and is surmounted by a verticalAt a point on the ground, the angles of elevation of the bottom and the top ot thenon-atand β respectively. Prove that the height of the tower is tanp-tanadiAll the vertices of a rhombus lis on a niu
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