If \[\sin \alpha =1/\sqrt{5}\]and \[\sin \beta =3/5\],then \[\beta -\alpha \]lies in the interval [Roorkee Qualifying 1998]

If \[\sin \alpha =1/\sqrt{5}\]and \[\sin \beta =3/5\],then \[\beta -\a

1.	If \[\sin \alpha =1/\sqrt{5}\]and \[\sin \beta =3/5\],then \[\beta -\alpha \]lies in the interval [Roorkee Qualifying 1998]
A.	\[[0,\,\pi /4]\]
B.	\[[\pi /2,\,3\pi /4]\]
C.	\[[3\pi /4,\,\pi ]\]
D.	\[[\pi ,\,5\pi /4]\]
Answer» D. \[[\pi ,\,5\pi /4]\]