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In the adjoining figure, the angle of elevation of ahelicopter from a point A on the ground is 45°. After15 seconds flight, the angle of etevation changes tofind the speed of the helicopter. (Take 3 = 1.732 |
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Answer» knnbhnkkjggcfffggbbnbvgnm Step-by-step EXPLANATION: bbnmmbgcccccvbbcdfhhjbhmhh |
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