Question

Joshi sir comment
According to first given condition velocity component of rain = u
let vertical component of rain = v
According to second condition
velocity of rain relative to man
=(nu-u)(-ˆi)+v(-ˆj)here direction of motion of man is ˆi and vertically upward direction is considered as ˆjNow draw triangle for this vector and get cotθsolve itinform for any issue