1.

\[\int{\frac{dx}{\sin x(3+{{\cos }^{2}}x)}}\] is equal to

A. \[\log \left| {{y}^{2}}-1 \right|-{{\tan }^{-1}}y+C\]
B. \[{{\tan }^{-1}}\frac{y}{\sqrt{3}}+C\]
C. \[\log \left| \frac{y-1}{y+1} \right|+C\]
D. \[\frac{1}{4}\log \left| \frac{y-1}{y+1} \right|-\frac{1}{4\sqrt{3}}{{\tan }^{-1}}\frac{y}{\sqrt{3}}+C\]
Answer» E.


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