The angle of elevation of the top of a tower from a point A due south of the tower is α

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asked Feb 7, 2018 in Mathematics by Kundan kumar (49,132 points) 34 380 1014

The angle of elevation of the top of a tower from a point A due south of the tower is α and from B due east of the tower is β. if AB = d, show that the height of the tower is d/(√(cot2α+cot2β).

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answered Feb 7, 2018 by Vikash Kumar (144,729 points) 8 11 21
 
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