$\frac{\sin 70^{\circ}+\cos 40^{\circ}}{\cos 70^{\circ}+\sin 40^{\circ}}$ का मान ज्ञात कीजिए।

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

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