જો $\cos A + \cos B = \cos C$ અને $\sin A + \sin B = \sin C$ હોય,તો પદાવલિ $\frac{\sin(A + B)}{\sin 2C}$ ની કિંમત શું થાય?

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $3$

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જો $\theta+\phi=\frac{2 \pi}{3}$ અને $\cos \theta=\frac{\sqrt{3}}{2}$ હોય,તો $\sin \phi$ ની કિંમત શું થાય?

જો $\tan \alpha = \frac{m}{m+1}$ અને $\tan \beta = \frac{1}{2m+1}$ હોય,તો $\alpha + \beta =$

જો $\sin \theta + \cos \theta = x$ હોય,તો ${\sin ^6}\theta + {\cos ^6}\theta = \frac{1}{4}[4 - 3{({x^2} - 1)^2}]$ માટે

$\sin 12^\circ \sin 48^\circ \sin 54^\circ = $

જો $\tan 80^{\circ} = a$ અને $\tan 47^{\circ} = b$ હોય,તો $\tan 37^{\circ}$ ની કિંમત કેટલી થાય?

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