Considering the principal values of the inverse trigonometric functions,$\sin ^{-1}\left(\frac{\sqrt{3}}{2} x+\frac{1}{2} \sqrt{1-x^2}\right)$,for $-\frac{1}{2} < x < \frac{1}{\sqrt{2}}$,is equal to:

  • A
    $\frac{\pi}{4}+\sin ^{-1} x$
  • B
    $\frac{\pi}{6}+\sin ^{-1} x$
  • C
    $\frac{-5 \pi}{6}-\sin ^{-1} x$
  • D
    $\frac{5 \pi}{6}-\sin ^{-1} x$

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