$\sin {163^\circ} \cos {347^\circ} + \sin {73^\circ} \sin {167^\circ} = $

  • A
    $0$
  • B
    $1/2$
  • C
    $1$
  • D
    આમાંથી કોઈ નહીં

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જો $A = \frac{\pi}{24}$ હોય,તો $\frac{\cos A + \cos 3A + \cos 5A + \cos 7A}{\sin A + \sin 3A + \sin 5A + \sin 7A} = $

$\cos ^{2} 75^{\circ}+\cos ^{2} 45^{\circ}+\cos ^{2} 15^{\circ}-\cos ^{2} 30^{\circ}-\cos ^{2} 60^{\circ}$ નું મૂલ્ય શોધો.

જો $\tan(A + B) = p$ અને $\tan(A - B) = q$ હોય,તો $p$ અને $q$ ના સ્વરૂપમાં $\tan(2A)$ ની કિંમત શું થાય?

જો $\frac{1-\tan \theta}{1+\tan \theta}=\frac{1}{\sqrt{3}}$,જ્યાં $\theta \in \left(0, \frac{\pi}{2}\right)$,તો $\theta=$

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