If function \[f(x)=\frac{1}{2}-\tan \left( \frac{\pi x}{2} \right)\]; – McqOptions

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1.	If function \[f(x)=\frac{1}{2}-\tan \left( \frac{\pi x}{2} \right)\]; \[(-1
A.	\[(-1,\ 1)\]
B.	\[\left[ -\frac{1}{2},\ \frac{1}{2} \right]\]
C.	\[\left[ -1,\ \frac{1}{2} \right]\]
D.	\[\left[ -\frac{1}{2},\ -1 \right]\]
Answer» B. \[\left[ -\frac{1}{2},\ \frac{1}{2} \right]\]

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