\[\int \frac{dx}{\cos x+\sqrt{3}\sin x}\] is equal to

1.	\[\int \frac{dx}{\cos x+\sqrt{3}\sin x}\] is equal to
A.	\[\frac{1}{2}\log \,\tan \left( \frac{x}{2}+\frac{\pi }{12} \right)+c\]
B.	\[\frac{1}{2}\log \,\,\tan \left( \frac{x}{2}-\frac{\pi }{12} \right)+c\]
C.	\[\log \,\,\tan \left( \frac{x}{2}+\frac{\pi }{12} \right)+c\]
D.	\[\log \,\tan \left( \frac{x}{2}-\frac{\pi }{12} \right)+c\]
Answer» B. \[\frac{1}{2}\log \,\,\tan \left( \frac{x}{2}-\frac{\pi }{12} \right)+c\]

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\[\int \frac{dx}{\cos x+\sqrt{3}\sin x}\] is equal to

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