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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.

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To solve the problem, we need to analyze the situation using trigonometry. Let's break it down step by step. ### Step 1: Understand the Problem We have a tower and a man at the top observing a car approaching the foot of the tower. The angles of depression to the car at two different times are given: 30 degrees initially and 60 degrees after 6 seconds. ### Step 2: Draw a Diagram Let's denote: - A = the top of the tower ...
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