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Jon__Persson
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I need help with the following problem. Any genius got any ideas?
An observer notices that an aeroplane flies directly overhead. Two minutes later the aeroplane is at an angle of elevation of 27*. Assuming the aeroplane is travelling with constant speed, what will be its angle of elevation after another two minutes?
 one year ago
 one year ago
Jon__Persson Group Title
I need help with the following problem. Any genius got any ideas? An observer notices that an aeroplane flies directly overhead. Two minutes later the aeroplane is at an angle of elevation of 27*. Assuming the aeroplane is travelling with constant speed, what will be its angle of elevation after another two minutes?
 one year ago
 one year ago

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matricked Group TitleBest ResponseYou've already chosen the best response.0
let the required angle be x assuming height to be h then horizontal distance of the point directly over head from the aeroplane after first two minutes is gien by h cot27 hence after the next two minutes the plane covers another h cot27 cot x = (h cot27 + h cot27)/h or x =cot^1(2cot27)
 one year ago

Jon__Persson Group TitleBest ResponseYou've already chosen the best response.0
"first two minutes is gien by h cot27" What do you mean by this? Also, what is "cot?"
 one year ago

matricked Group TitleBest ResponseYou've already chosen the best response.0
cot stands for cotangent it will be better if u vcan draw a diagram
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.0
http://answers.yahoo.com/question/index?qid=20111107162020AAX35K0
 one year ago
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