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

  • A
    $\cos 49\theta - i\sin 49\theta$
  • B
    $\cos 23\theta - i\sin 23\theta$
  • C
    $\cos 49\theta + i\sin 49\theta$
  • D
    $\cos 21\theta + i\sin 21\theta$

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Similar Questions

જો $1, \omega, \omega^2$ એ એકમના ઘનમૂળ દર્શાવતા હોય,તો $(1-\omega+\omega^2)^5+(1+\omega-\omega^2)^5$ ની કિંમત શું થાય?

એકમ (unity) ના $n^{th}$ મૂળ શેમાં છે?

${\left( \frac{1 + \cos \phi + i\sin \phi }{1 + \cos \phi - i\sin \phi } \right)^n} = $

$(27)^{1/3} = $

જો $2x = -1 + \sqrt{3}i$ હોય,તો $(1 - x^2 + x)^6 - (1 - x + x^2)^6$ ની કિંમત શોધો.

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