Docks and Harbours - Engineering

Q1:

P and Q are two stations on the shore line at distance d. If the angle between Q and the boat O and P is a and the angle between P and Q at boat O is β, the x and y. Coordinate along PQ and perpendicular to PQ from O are :

A

B

C

D none of the above.

ANS:A -

Give the solution in detail.