What is Angle of Depression in Trigonometry?
In trigonometry, the angle of depression is referred to as the angle, formed between the horizontal line and the line of sight of the observer when the observer is placed over the object. In other words, an angle of depression is formed when the object is at the bottom and the observer is at the top and the measure of it can be affected by changing the various height and distances between the observer and object.
Angle of Depression Definition
The angle of depression refers to the angle formed between a horizontal line of sight and a downward direction towards an object or point of interest located at a lower elevation relative to the observer.
Terms Related to Angle of Depression
There are various terms, which need to know before studying the concept of the Angle of Depression. These terms are discussed as follows:
- Observer: The person observing the object is called the observer.
- Object: The thing that the observer is observing is called the object.
- Horizontal line: The line starting horizontally from the observer is called a horizontal line.
- Line of Sight: The line from the observer’s eye to the object is called the line of sight.
Angle of Depression
Angle of Depression is one of the two important angles in Trigonometry, the other being the angle of elevation. The angle of depression refers to the angle at which one must look downward from a horizontal position to view an object situated at a lower level. It’s defined by the direct line from the observer to the object being observed, indicating a downward inclination of the line of sight.
In this article, we will learn about the Angle of Depression including various examples of the angle of depression and key differences between the angle of elevation and the angle of depression. We will also learn, how to calculate the angle of depression.
Table of Content
- What is Angle of Depression in Trigonometry?
- Angle of Depression Definition
- Terms Related to Angle of Depression
- Angle of Depression Examples
- Angle of Depression Formula
- How to Find Angle of Depression
- Angle of Depression and Elevation
- Solved Examples of Angle of Depression
- Class 10 Resources on Angle of Depression
- Practice Problems on Angle of Depression
- FAQs on Angle of Depression
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