જો $A = 580^\circ$ હોય,તો નીચેનામાંથી કયું વિધાન સાચું છે?

  • A
    $2 \sin \left( \frac{A}{2} \right) = \sqrt{1 + \sin A} - \sqrt{1 - \sin A}$
  • B
    $2 \sin \left( \frac{A}{2} \right) = -\sqrt{1 + \sin A} + \sqrt{1 - \sin A}$
  • C
    $2 \sin \left( \frac{A}{2} \right) = -\sqrt{1 + \sin A} - \sqrt{1 - \sin A}$
  • D
    $2 \sin \left( \frac{A}{2} \right) = \sqrt{1 + \sin A} + \sqrt{1 - \sin A}$

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જો $3 \sin \theta = 2 \sin 3 \theta$ અને $0 < \theta < \pi$ હોય,તો $\sin \theta =$

જો $p = \tan 20^{\circ}$ હોય,તો $\frac{\tan 160^{\circ} - \tan 110^{\circ}}{1 + \tan 160^{\circ} \tan 110^{\circ}}$ ની કિંમત $p$ ના સ્વરૂપમાં શું થાય?

જો $\tan x + \tan \left( \frac{\pi}{3} + x \right) + \tan \left( \frac{2\pi}{3} + x \right) = 3$ હોય,તો

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