MCQ
$\int \tan 2 x d x=$
- A$\frac{1}{2} \log |\tan 2 x|+k$
- ✓$\frac{1}{2} \log |\sec 2 x|+k$
- C$2 \log |\sec 2 x|+k$
- D$\log |\sec x|+k$
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