From the top of a lighthouse 55 ft above sea level, the angl...
From the top of a lighthouse 55 ft above sea level, the angl...
Let ##a## be the altitude of the lighthouse above sea level, ##a=55 ft## and ##b## the distance of the boat from the foot of the lighthouse, ##thetad = 11.3^0##
Solution:
##tan11.3^0 = 55/x##
##x = 5...
