1.

 If \[y=\sin [\cos (\sin x)],\]then \[dy/dx=\]

A.            \[-\cos [\cos (\sin x)]\sin (\cos x).\cos x\]
B.            \[-\cos [\cos (\sin x)]\sin (\sin x).\cos x\]
C.            \[\cos [\cos (\sin x)]\sin (\cos x).\cos x\]
D.            \[\cos [\cos (\sin x)]\sin (\sin x).\cos x\]
Answer» C.            \[\cos [\cos (\sin x)]\sin (\cos x).\cos x\]


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