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A plane flying with a constant speed of 19 km min passes over a ground...

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A plane flying with a constant speed of 19 km min passes over a ground radar station at an altitude of 7 km and climbs at an angle of 20 degrees what rate in km min is the distance from the plane to the radar station increasing 1 minutes later Your answer kilometers per minute Hint The law of cosines for a triangle is where is the angle between the sides of length a and b c a b 2ab cos 0

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