The three sides of a right-angled triangle are in $GP$ (geometric progression). If the two acute angles are $\alpha$ and $\beta$, then $\tan \alpha$ and $\tan \beta$ are

  • A
    $\frac{\sqrt{5}+1}{2}$ and $\frac{\sqrt{5}-1}{2}$
  • B
    $\sqrt{\frac{\sqrt{5}+1}{2}}$ and $\sqrt{\frac{\sqrt{5}-1}{2}}$
  • C
    $\sqrt{5}$ and $\frac{1}{\sqrt{5}}$
  • D
    $\frac{\sqrt{5}}{2}$ and $\frac{2}{\sqrt{5}}$

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