Let \[f(x)=\left\{ \begin{align} & \frac{1-{{\sin }^{3}}x}{3{{\cos }^{2}}x},x\frac{\pi }{2} \\ \end{align} \right.\] If f(x) is continuous at \[x=\frac{\pi }{2},(p,q)=\]

\[\left( \frac{1}{2},2 \right)\]

\[\left( \frac{1}{2},4 \right)\]

Let \[f(x)=\left\{ \begin{align} & \frac{1-{{\sin }^{3}}x}{3{{\cos

1.	Let \[f(x)=\left\{ \begin{align} & \frac{1-{{\sin }^{3}}x}{3{{\cos }^{2}}x},x\frac{\pi }{2} \\ \end{align} \right.\] If f(x) is continuous at \[x=\frac{\pi }{2},(p,q)=\]
A.	\[(1,4)\]
B.	\[\left( \frac{1}{2},2 \right)\]
C.	\[\left( \frac{1}{2},4 \right)\]
D.	None of these
Answer» D. None of these

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Let \[f(x)=\left\{ \begin{align} & \frac{1-{{\sin }^{3}}x}{3{{\cos }^{2}}x},x\frac{\pi }{2} \\ \end{align} \right.\] If f(x) is continuous at \[x=\frac{\pi }{2},(p,q)=\]

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