The domain of the functions \[f(x)=\frac{1}{\sqrt{\left\{ \operatorname{sinx} \right\}+\left\{ \sin (\pi +x) \right\}}}\] where \[\left\{ \cdot \right\}\] denotes the fractional part, is

The domain of the functions \[f(x)=\frac{1}{\sqrt{\left\{ \operatornam

1.	The domain of the functions \[f(x)=\frac{1}{\sqrt{\left\{ \operatorname{sinx} \right\}+\left\{ \sin (\pi +x) \right\}}}\] where \[\left\{ \cdot \right\}\] denotes the fractional part, is
A.	\[[0,\pi ]\]
B.	\[(2n+1)\pi /2,n\in Z\]
C.	\[(0,\pi )\]
D.	none of these
Answer» E.

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The domain of the functions \[f(x)=\frac{1}{\sqrt{\left\{ \operatorname{sinx} \right\}+\left\{ \sin (\pi +x) \right\}}}\] where \[\left\{ \cdot \right\}\] denotes the fractional part, is

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