If $\tan (A + B) = \sqrt{3}$ and $\tan (A - B) = \frac{1}{\sqrt{3}}$,where $0^{\circ} < A + B \leq 90^{\circ}$ and $A > B$,find the values of $A$ and $B$.

  • A
    $A = 45^{\circ}, B = 15^{\circ}$
  • B
    $A = 60^{\circ}, B = 30^{\circ}$
  • C
    $A = 30^{\circ}, B = 45^{\circ}$
  • D
    $A = 75^{\circ}, B = 15^{\circ}$

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