Consider the curves $y=\sin x$ and $y=\cos x$. What is the area of the region bounded by the above two curves and the lines $x=\frac{\pi}{4}$ and $x=\frac{\pi}{2}$ ?

• Correct answer
  A

  $\sqrt{2}-1$
• B

  $\sqrt{2}+1$
• C

  $2 \sqrt{2}$
• D

  2

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