The value of \[\int{\frac{\sin x}{\sin 4x}dx}\] is

1.	The value of \[\int{\frac{\sin x}{\sin 4x}dx}\] is
A.	\[\frac{1}{4}\log \left\| \frac{\sin x-1}{\sin x+1} \right\|-\frac{1}{\sqrt{2}}\log \left\| \frac{\sqrt{2}\sin x-1}{\sqrt{2}\sin x+1} \right\|+C\]
B.	\[\frac{1}{8}\log \left\| \frac{\cos x-1}{\cos x+1} \right\|-\frac{1}{2\sqrt{2}}\log \left\| \frac{\sqrt{2}\cos x-1}{\sqrt{2}\cos x+1} \right\|+C\]
C.	\[\frac{1}{8}\log \left\| \frac{\sin x-1}{sinx+1} \right\|-\frac{1}{4\sqrt{2}}\log \left\| \frac{\sqrt{2}\sin x-1}{\sqrt{2}\sin x+1} \right\|+C\]
D.	None of these.
Answer» D. None of these.

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The value of \[\int{\frac{\sin x}{\sin 4x}dx}\] is

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