જો $x \sin \theta = y \sin \left( \theta + \frac{2\pi}{3} \right) = z \sin \left( \theta + \frac{4\pi}{3} \right)$ હોય,તો:

  • A
    $x + y + z = 0$
  • B
    $xy + yz + zx = 0$
  • C
    $xyz + x + y + z = 1$
  • D
    આમાંથી કોઈ નહીં

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જો $\tan A - \tan B = x$ અને $\cot B - \cot A = y$ હોય,તો $\cot (A - B) = $

જો $x + \frac{1}{x} = 2\cos \alpha$ હોય, તો ${x^n} + \frac{1}{{{x^n}}} = $

જો $\tan \beta = \cos \theta \tan \alpha$ હોય,તો ${\tan ^2}\frac{\theta }{2} = $

જો $\tan 20^{\circ} = k$ હોય,તો $\frac{\tan 250^{\circ} + \tan 340^{\circ}}{\tan 200^{\circ} - \tan 110^{\circ}} = $

જો $\alpha, \beta, \gamma$ એ ધન સંખ્યાઓ એવી રીતે હોય કે $\alpha + \beta = \pi$ અને $\beta + \gamma = \alpha$,તો $\tan \alpha$ ની કિંમત શોધો - (જ્યાં $\gamma \neq n\pi, n \in I$)

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