Height and Distance in trigonometry is very important topic for various competitive exams like SSC and Banking. Generally you must have seen the problems where the height of a building is given and then from the top of this building the angles of elevation or depression are given for another building and you have to find the height of the second building. this course has important notes which will help students to solve problems based on height and distance.
Some important terms related to height and distance:
1: The line which is drawn from the eyes of the observer to the point being viewed on the object is known as the line of sight.
2: The angle of elevation of the point on the object (above horizontal level) viewed by the observer is the angle which is formed by the line of sight with the horizontal level.
3: The angle of depression of the point on the object (below horizontal level) viewed by the observer is the angle which is formed by the line of sight with the horizontal level.
The angles of elevation and depression are usually measured by a device called Inclinometer or Clinometer.
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