Problems 89 and 90 require the following discussion:
The shortest distance between two points on Earth's surface can be determined from the latitude and longitude of the two locations. For example, if location 1 has and location 2 has , the shortest distance between the two locations is approximately , where miles and the inverse cosine function is expressed in radians. Also, latitude and longitude are positive angles, and latitude and longitude are negative.
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Shortest Distance from Honolulu to Melbourne, Australia Find the shortest distance from Honolulu to Melbourne, Australia, latitude , longitude . Round your answer to the nearest mile.
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