Question

from the top of lighthouse 100m above sea level the angle of depression of a ship sailing towards it change from angle 30 to angle 45 determine the distance travelled by the ship during the period of observation ​

Answer 1

Step-by-step explanation:

the correct answer is 73.2metres

or 100(√3-1) metres

Answer 2

Step-by-step explanation:

let the distance be xmetres

therefore x=100(root3-1)metres