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Mathematics, 01.09.2020 01:01 elijah1090

the angle of elevation of a jet plane from a point P on the ground is 60 degree after a flight of 15 seconds the angle of elevation changes to 30 degree if the jet plane is flying at a constant height of 1500 root 3 metre find the speed of the jet plane

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the angle of elevation of a jet plane from a point P on the ground is 60 degree after a flight of 15...
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