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A port and a radar station are 5 mi apart on a straight shore anning east and west. A ship leaves the port at noon

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A port and a radar station are 5 mi apart on a straight shore anning east and west. A ship leaves the port at noon traveling at a rate of22 mir'hr. lithe ship maintains its speed and course, what is the rate of change of the tracking angle El between the shore and the line between the radar station and the ship at 12:30 PM? (Hint: Use the law of sines.) Use the Law of Sines to nd an equation relating the angle, 9, the angle that the ship left the port at, the distance between the radar system and the ship, a, and the distance between the port and the ship, s. Evaluate any known trigonometric functions of 45 as needed. Use radians to express any other angles. E {Type an exact answer, using 1 as needed.)

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