MDRS MACHINA/CLASS 10/SOME APPLICATIONS OF TRIGONOMETRY
some applications of trigonometry
exercise 12.1
question
13. As observed from the top of a 75 m high lighthouse from the sea-level, the angles of
depression of two ships are 30° and 45°. If one ship is exactly behind the other on the
same side of the lighthouse, find the distance between the two ships.