\[\int_{{}}^{{}}{\frac{1}{x{{\cos }^{2}}(1+\log x)}\ dx=}\]

1.	\[\int_{{}}^{{}}{\frac{1}{x{{\cos }^{2}}(1+\log x)}\ dx=}\]
A.	\[\tan \,(1+\log x)+c\]
B.	\[\cot \,(1+\log x)+c\]
C.	\[-\tan \,(1+\log x)+c\]
D.	\[-\cot (\,1+\log x)+c\]
Answer» B. \[\cot \,(1+\log x)+c\]

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\[\int_{{}}^{{}}{\frac{1}{x{{\cos }^{2}}(1+\log x)}\ dx=}\]

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