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anonymous
 3 years ago
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?
anonymous
 3 years ago
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?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0let 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)

anonymous
 3 years ago
Best 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?"

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0cot stands for cotangent it will be better if u vcan draw a diagram

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0http://answers.yahoo.com/question/index?qid=20111107162020AAX35K0
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