The angle of depression will be :
30∘
60∘
120∘
None of these
The angle of depression = Angle of elevation from bottom = 60∘
The angle of depression of the front end of a ship as seen from the top of 120 m high light house is 60∘. How far is the ship from the light house?
The angle of elevation of a cloud from a point 60 m above a lake is 30∘ and the angle of depression of the reflection of cloud in the lake is 60∘. Find the height of the cloud.