MCQ

Share

$\int_{}^{} {\frac{{\sin x\;dx}}{{{a^2} + {b^2}{{\cos }^2}x}}} = $

• A
  $\log ({a^2} + {b^2}{\cos ^2}x) + c$
• B
  $\frac{1}{{ab}}{\tan ^{ - 1}}\left( {\frac{{a\cos x}}{b}} \right) + c$
• ✓
  $\frac{1}{{ab}}{\cot ^{ - 1}}\left( {\frac{{b\cos x}}{a}} \right) + c$
• D
  $\frac{1}{{ab}}{\cot ^{ - 1}}\left( {\frac{{a\cos x}}{b}} \right) + c$