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 :

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 β, the x and y. Coordinate along PQ and perpendicular to PQ from O are :
A.	A
B.	B
C.	C
D.	D
Answer» B. B