Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 2 - No. 40)
What do we call the angle of depression?
Angle between the horizontal and the line of sight to an object above.
Angle between the horizontal and the line of sight to an object below.
Angle less than 90°
Angle greater than 90°
설명
The angle of depression is formed when you look down at an object.