Question

.........................................................................A straight highway leads to the foot of the 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 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.
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Answer 1

Hope it helps you my friend...

Answer 2

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