A man on a cliff observes a boat at an angle of 'depression of 30° which is approaching the shore to the point immediately beneath the observer with a uniform speed. Six minutes later, the angle of depression of the boat is found to be 50°. Find the time taken by the boat to reach the shore.
A man on a cliff observes a boat at an angle of 'depression of 30° which is approaching the shore to the point immediately beneath the observer with a uniform speed. Six minutes later, the angle of depression of the boat is found to be 50°. Find the time taken by the boat to reach the shore.
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section1.8: Applications And Models
Problem 4ECP: From the time a small airplane is 100 feet high and 1600 ground feet from its landing runway, the...
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Transcribed Image Text:A man on a cliff observes a boat at an angle of
'depression of 30° which is approaching the shore to the point
immediately beneath the observer with a uniform speed. Six
minutes later, the angle of depression of the boat is found to be
50°. Find the time taken by the boat to reach the shore.
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