MCQ
$\int \tan 10 x d x=$
  • A
    $k+\log |\cos 10 x|$
  • $k+\frac{1}{10} \log |\sec 10 x|$
  • C
    $k+\log |\sec 10 x|$
  • D
    $\sec 10 x+k$

Answer

Correct option: B.
$k+\frac{1}{10} \log |\sec 10 x|$
B

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