Homework Help: trig

Posted by sara on Wednesday, February 8, 2012 at 9:11pm.

if diameter of the circle is 100 cm. and length of the arc forming the angle is 360 cm. Assume that the earth is a perfect sphere of diameter 8000 miles. Find the distance between:
Rome, Italy: latitude 42 degrees north
Copenhagen, Denmark: latitude 54.3 degrees north

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