The set of solutions of the equation $(\sqrt{3}-1) \sin \theta+(\sqrt{3}+1) \cos \theta=2$ is

  • A
    $\{2 n \pi \pm \frac{\pi}{4}+\frac{\pi}{12}: n \in Z\}$
  • B
    $\{2 n \pi \pm \frac{\pi}{4}-\frac{\pi}{12}: n \in Z\}$
  • C
    $\{n \pi+(-1)^n \frac{\pi}{4}+\frac{\pi}{12}: n \in Z\}$
  • D
    $\{n \pi+(-1)^n \frac{\pi}{4}-\frac{\pi}{12}: n \in Z\}$

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