Question

The angle of elevation of a cloud from a point h metres above a lake is A. The angle of depression of its reflection in the lake is 45 degree.
The height of the cloud is.
option (a) h(1+tanA)/(1-tanA) (b) h(1-tanA)/1+tanA (c) h tan(45degree -A) (d) none of these

Answer 1

here's the solution.......