કિંમત શોધો: $\frac{(\cos \theta + i\sin \theta)^4}{(\sin \theta + i\cos \theta)^5}$

  • A
    $\cos \theta - i\sin \theta$
  • B
    $\cos 9\theta - i\sin 9\theta$
  • C
    $\sin \theta - i\cos \theta$
  • D
    $\sin 9\theta - i\cos 9\theta$

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$\frac{(\cos 2\theta - i\sin 2\theta)^4 (\cos 4\theta + i\sin 4\theta)^{-5}}{(\cos 3\theta + i\sin 3\theta)^{-2} (\cos 3\theta - i\sin 3\theta)^{-9}}$ ને $x + iy$ સ્વરૂપમાં દર્શાવો.

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