જો $\sec \theta(\cos \theta+\sin \theta)=\sqrt{2}$ હોય,તો $\frac{2 \sin \theta}{\cos \theta-\sin \theta}$ ની કિંમત શું થાય?

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

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