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CBSE Class 10 Answered

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 | 11 Feb, 2014, 12:28: PM
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Answered by | 12 Feb, 2014, 04:59: PM
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