જો $\sin A + \sin B = \frac{1}{2}$ અને $\cos A + \cos B = 1$ હોય,તો $\sin \left(\frac{A-B}{2}\right)$ ની કિંમત શોધો.

  • A
    $\pm \frac{\sqrt{13}}{4}$
  • B
    $\pm \frac{\sqrt{11}}{4}$
  • C
    $\pm \frac{\sqrt{7}}{4}$
  • D
    $\pm \frac{\sqrt{17}}{4}$

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Similar Questions

જો $\theta$ એ લઘુકોણ હોય,$\cosh x = K$ અને $\sinh x = \tan \theta$ હોય,તો $\sin \theta =$

પદાવલિ $\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}$ ની કિંમત શોધો.

$\sum_{k=1}^3 \cos^2 \left((2k-1) \frac{\pi}{12}\right)$ ની કિંમત શોધો.

જો $\frac{\cos x}{a} = \frac{\cos (x + \theta)}{b} = \frac{\cos (x + 2\theta)}{c} = \frac{\cos (x + 3\theta)}{d}$ હોય,તો $\left( \frac{a + c}{b + d} \right)$ ની કિંમત શોધો:

જો $\sin \theta + \text{cosec} \theta = 2$ હોય,તો $\sin^2 \theta + \text{cosec}^2 \theta = $

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