A person observes the angle of elevation of a tower to be ?. On advancing ' p' metres towards the tower the elevation is 45 and on advancing 'q' metres nearer, the elevation is ( 90 - ?). Prove that the height of the tower is pq/ ( p-q) .

Asked by Stuti Verma | 11th Feb, 2014, 12:28: PM

Expert Answer:

Answered by  | 12th Feb, 2014, 04:59: PM

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