Posted by Maria on Monday, March 28, 2011 at 9:31pm.
Find x, the angle of depression (measured in degrees) from the top of a lighthouse that is 173 ft above water level to the waterline of a ship 4835 ft off shore. Round your answer to the nearest hundredth of a degree.

Math  Anonymous, Tuesday, March 29, 2011 at 12:13am
tan(tetha)=173/4835=0.002688728
tetha=arctan(0.002688728)=0,1540524°
tetha=0.15°

Math  Anonymous, Tuesday, March 29, 2011 at 9:50am
173/4835=0.03578076525336091
arctan(0.03578076525336091=2.049212625°
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