Posted by Peter on Saturday, November 24, 2012 at 6:26pm.
A pilot of an airplane flying at 12,000 feet sights a water tower. The angle of depression to the base of the tower is 25°. What is the length of the line of sight from the plane to the tower?

PreCalc  Damon, Saturday, November 24, 2012 at 6:37pm
12,000/sin 25
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