The angle of elevation of the top of an unfinished tower at a point 100m from its base is 45degree how much higher must the tower be raised so that its angle of elevation at the same point be 60 degree?
Asked by | 31st Oct, 2013, 03:56: PM
Expert Answer:
Answered by Rashmi Khot | 1st Nov, 2013, 02:18: PM
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