3 Answers

angle of elevation is the angle from an horizontal line facing upward towards an object

maybe use a calculator of tan-1

angle of elevation is the angle between the horizontal line of sight and the object

Step 2 SOHCAHTOA tells us we must use Tangent.

Step 3 Calculate Opposite/Adjacent = 300/400 = 0.75.

Step 4 Find the angle from your calculator using tan-1

i dont know

but i think

If a person stands and looks up at an object, the angle of elevation is the angle between the horizontal line of sight and the object. If a person stands and looks down at an object, the angle of depression is the angle between the horizontal line of sight and the object.