Question

what is the meaning of line of sight, angle of elevation and angle of depression ​

Answer 1

Answer:

angle of elevation means 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

angle of depression -The angle of depression is the angle between the horizontal and your line of sight (when looking down). ... Therefore, the angle of depression = angle of elevation.

Answer 2

Answer:

The terms "angle of depression" and "angle of elevation" refer to the angles at which an observer must direct their line of sight in order to see an object. ... If the observer is above a given object, the angle of depression is the angle at which the observer