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OpenStudy (anonymous):
An aeroplane when 3000m high passes vertically above another aeroplane at an instant when the angle of elevation of aeroplanes at the same observation points are 60 and 45 respectively. How much high is the one plane than the other
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OpenStudy (anonymous):
Refer to the Mathematica solution attached.
OpenStudy (anonymous):
On an IMac running OS X, only Chrome will retrieve the pdf file.
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