\[\int{{{\cos }^{-3/7}}}x{{\sin }^{-11/7}}x\,\,dx=\] [Kerala (Engg.) 2005]

\[\frac{4}{7}{{\tan }^{4/7}}x+c\]

\[\frac{-7}{4}{{\tan }^{-4/7}}x+c\]

\[\frac{7}{4}{{\tan }^{-4/7}}x+C\]

\[\int{{{\cos }^{-3/7}}}x{{\sin }^{-11/7}}x\,\,dx=\]

1.	\[\int{{{\cos }^{-3/7}}}x{{\sin }^{-11/7}}x\,\,dx=\] [Kerala (Engg.) 2005]
A.	\[\log \|{{\sin }^{4/7}}x\|+c\]
B.	\[\frac{4}{7}{{\tan }^{4/7}}x+c\]
C.	\[\frac{-7}{4}{{\tan }^{-4/7}}x+c\]
D.	\[\log \|{{\cos }^{3/7}}x\|+c\]
E.	\[\frac{7}{4}{{\tan }^{-4/7}}x+C\]
Answer» D. \[\log \|{{\cos }^{3/7}}x\|+c\]

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\[\int{{{\cos }^{-3/7}}}x{{\sin }^{-11/7}}x\,\,dx=\] [Kerala (Engg.) 2005]

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