A small plane is at a point P, which is 2600 feet directly above an observer on the ground at


A small plane is at a point P, which is 2600 feet directly above an observer on the ground at point O. The plane then flies 4500 feet to a point Q, where the line between the observer and the plane makes a 50◦ angle with the vertical. a) What is the distance between the observer and Q? b) How much elevation did the plane gain between P and Q?


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