यदि $0 < x, y < \pi$ और $\cos x + \cos y - \cos(x + y) = \frac{3}{2}$ है,तो $\sin x + \cos y$ का मान ...... होगा।

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

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