$\frac{(\cos \alpha + i \sin \alpha)(\cos \beta + i \sin \beta)}{(\cos \gamma + i \sin \gamma)(\cos \delta + i \sin \delta)}$ ની કિંમત શોધો.

  • A
    $\cos (\alpha + \beta - \gamma - \delta) - i \sin (\alpha + \beta - \gamma - \delta)$
  • B
    $\cos (\alpha + \beta - \gamma - \delta) + i \sin (\alpha + \beta - \gamma - \delta)$
  • C
    $\sin (\alpha + \beta - \gamma - \delta) - i \cos (\alpha + \beta - \gamma - \delta)$
  • D
    $\sin (\alpha + \beta - \gamma - \delta) + i \cos (\alpha + \beta - \gamma - \delta)$

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Similar Questions

$\frac{1 - 2i}{2 + i} + \frac{4 - i}{3 + 2i} = $

જો $\frac{(1+i) x-i}{2+i}+\frac{(1+2 i) y+i}{2-i}=1$ હોય,તો $(x, y)$ ની કિંમત શોધો.

સંકર સંખ્યા $-i$ નો ગુણાકાર માટેનો વ્યસ્ત શોધો.

$(5-3i)^{3}$ ને $a+ib$ સ્વરૂપમાં દર્શાવો.

જો $(2x - y + 1) + i(x - 2y - 1) = 2 - 3i$ હોય,તો $(x - iy)$ નો ગુણાકાર માટેનો વ્યસ્ત (multiplicative inverse) શોધો.

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