${\tan ^2}\theta + {\cot ^2}\theta$ ની કિંમત શું છે?

  • A
    $\ge 2$
  • B
    $\le 2$
  • C
    $\ge -2$
  • D
    આમાંથી કોઈ નહીં

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

જો $2 \sec 2\alpha = \tan \beta + \cot \beta$ હોય,તો $\alpha + \beta$ ની એક કિંમત શું થાય?

જો $A + B + C = 180^\circ$ હોય,તો $\frac{\sin 2A + \sin 2B + \sin 2C}{\cos A + \cos B + \cos C - 1} = $

જો $\sin 17^{\circ} = \frac{x}{y}$ હોય,તો $(\sec 17^{\circ} - \sin 73^{\circ})$ ની કિંમત શોધો.

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$\sin \left( \frac{\pi}{10} \right) \sin \left( \frac{3\pi}{10} \right) = $

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