Maths: Trignometry 4 - Angles of Elevation and Depression

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  • Created by: emilie
  • Created on: 25-05-11 14:39

The angle of elevation of an object as seen by an observer is the angle between the horizontal and the line from the object to the observer's eye (the line of sight).

(http://www.mathsteacher.com.au/year10/ch15_trigonometry/12_elevation_depression/Image5676.gif)

(http://www.mathsteacher.com.au/year10/ch15_trigonometry/12_elevation_depression/Image5677.gif)

If the object is below the level of the observer, then the angle between the horizontal and the observer's

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daviesg

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Very well presented worked examples of angles of elevation and depression