MDRS MACHINA/CLASS 10/SOME APPLICATIONS OF TRIGONOMETRY
some applications of trigonometry
exercise 12.1
question
15. A straight highway leads to the foot of a tower. A man standing at the top of the tower
observes a car at an angle of depression of 30°, which is approaching the foot of the
tower with a uniform speed. Six seconds later, the angle of depression of the car is found
to be 60°. Find the time taken by the car to reach the foot of the tower from this point.