The value of
$\cos \frac{\pi}{2022}+\cos \frac{2 \pi}{2022}+\cdots+\cos \frac{2021 \pi}{2022}$
is equal to

• Correct answer
  A

  0
• B

  1
• C

  $\frac{1}{2022}$
• D

  $\frac{2021}{2022}$

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