\[\int_{{}}^{{}}{\frac{\cos \text{ec}x}{\log \tan \frac{x}{2}}\ dx=}\]

1.	\[\int_{{}}^{{}}{\frac{\cos \text{ec}x}{\log \tan \frac{x}{2}}\ dx=}\]
A.	\[\log \left( \log \tan \frac{x}{2} \right)+c\]
B.	\[2\log \left( \log \tan \frac{x}{2} \right)+c\]
C.	\[\frac{1}{2}\log \left( \log \tan \frac{x}{2} \right)+c\]
D.	None of these
Answer» B. \[2\log \left( \log \tan \frac{x}{2} \right)+c\]

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\[\int_{{}}^{{}}{\frac{\cos \text{ec}x}{\log \tan \frac{x}{2}}\ dx=}\]

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