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 , the x and y. Coordinate along PQ and perpendicular to PQ from O are :

P and Q are two stations on the shore line at distance d. If the angle

1.	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 , the x and y. Coordinate along PQ and perpendicular to PQ from O are :
A.	<img src="/_files/images/civil-engineering/docks-and-harbours/31-25-68-1.png">
B.	<img src="/_files/images/civil-engineering/docks-and-harbours/31-25-68-2.png">
C.	<img src="/_files/images/civil-engineering/docks-and-harbours/31-25-68-3.png">
D.	none of the above.
Answer» B. <img src="/_files/images/civil-engineering/docks-and-harbours/31-25-68-2.png">