. If ST and SN are the lengths of the subtangent and the subnormal at the point \[\theta =\frac{\pi }{2}\]on the curve \[x=a(\theta +\sin \theta ),y=a(1-\cos \theta ),a\ne 1\], then [Karnataka CET 2005]

. If ST and SN are the lengths of the subtangent and the subnormal at

1.	. If ST and SN are the lengths of the subtangent and the subnormal at the point \[\theta =\frac{\pi }{2}\]on the curve \[x=a(\theta +\sin \theta ),y=a(1-\cos \theta ),a\ne 1\], then [Karnataka CET 2005]
A.	\[ST=SN\]
B.	\[ST=2\,SN\]
C.	\[S{{T}^{2}}=a\,S{{N}^{3}}\]
D.	\[S{{T}^{3}}=a\,SN\]
Answer» B. \[ST=2\,SN\]

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