The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A and B, which are 47 miles apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87 degrees and 84 degrees, respectively, see the graph

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(a) How far is the satellite from station A? Your answer is miles;
(b) How high is the satellite above the ground? Your answer is miles;