MCQ
$\int_{}^{} {\frac{{\tan (\log x)}}{x}\;dx = } $
- A$\log \cos (\log x) + c$
- B$\log \sin (\log x) + c$
- ✓$\log \sec (\log x) + c$
- D$\log {\rm{cosec}}(\log x) + c$
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