An elephant is on the run.
From the top of a 400 feet tower, an elephant observed the zoo keeper. The angle of depression from the elephant to the zoo keeper changes from 17 degrees to 34 degrees.
a. How far does the zoo keeper travel if the angle of depression from the elephant on the top of the tower to the zoo keeper changes from 17 degrees to 34 degrees?
b. There is a store right next to the Tower, the angle of elevation from the top of te store to the tower is 46 degree, how tall is the store?
c. What is the angle of elevation from the store to the man if the store is 360 feet away from the zoo keeper?
d. It's dark now, and the zoo keeper is still looking for the elephant. The lamps are now on. How far away is the man fro the lamp if the angle of depression from the lam[p to the zoo keeper is 48 degrees?