(A) A straight highway leads to the foot of a tower. A man standing on the top of the 75m high tower observes two cars at angles of depression of 30∘ and 60∘ , which are approaching the foot of the tower. If one car is exactly behind theother on the same side of the tower, find the distance between the two cars. (use √3=1.73 )

OR
(B) From the top of a 7m high building, the angle of elevation of the top of a cable tower is 60∘ and the angle of depression of its foot is 30∘. Determine the height of the tower.