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an aircraft is flying along a horizontal path PQ directly towards an observer on the ground at O and maintaining an attitude of 300m at when the aircraft is at P the angle of depression is 30o when at Q the angle of depression is 60o find the distance PQ

Asked by 24th December 2011, 4:37 PM
Answered by Expert
Answered by Expert 24th December 2011, 11:00 PM
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