Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 2 - No. 18)
If a line of sight is below the horizontal, is this considered the angle of elevation or the angle of depression?
Angle of elevation
Angle of depression
Both
Neither
คำอธิบาย
The angle of depression is formed when an observer looks down from a horizontal line to an object.