$\int \cos \sqrt{x} \, dx = $

  • A
    $2[\sqrt{x} \sin \sqrt{x} + \cos \sqrt{x}] + c$
  • B
    $2[\sqrt{x} \sin \sqrt{x} - \cos \sqrt{x}] + c$
  • C
    $2[\cos \sqrt{x} - \sqrt{x} \sin \sqrt{x}] + c$
  • D
    $-2[\sqrt{x} \sin \sqrt{x} + \cos \sqrt{x}] + c$

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