$\operatorname{Sin}^{-1}(-\cos 2)+\operatorname{Cos}^{-1}(\sin 3)+\operatorname{Tan}^{-1}(\cot 5)=$

• A

  $7$
• B

  $5$
• Correct answer
  C

  $\frac{\pi}{2}$
• D

  $\pi$

Hence, the correct answer is option: 'C'.