यदि $\sec \theta + \tan \theta = 2 + \sqrt{5}$ है,तो $\sin \theta$ का मान ज्ञात कीजिए।

  • A
    $\frac{2}{\sqrt{5}}$
  • B
    $\frac{1}{\sqrt{5}}$
  • C
    $\frac{4}{5}$
  • D
    $\frac{\sqrt{3}}{23}$

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