The area of the parallelogram formed by the lines $x \cos \alpha + y \sin \alpha = p$,$x \cos \alpha + y \sin \alpha = q$,$x \cos \beta + y \sin \beta = r$,and $x \cos \beta + y \sin \beta = s$ is:

  • A
    $|p - q| |r - s| |\csc(\alpha - \beta)|$
  • B
    $|p + q| |r - s| |\csc(\alpha + \beta)|$
  • C
    $|p + q| |r + s| |\csc(\alpha - \beta)|$
  • D
    None of these

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