જો $\cot 20^{\circ} = p$ હોય,તો $\frac{\tan 160^{\circ} - \tan 110^{\circ}}{1 + \tan 160^{\circ} \tan 110^{\circ}} =$

  • A
    $\frac{p^{2} - 1}{2p}$
  • B
    $\frac{p^{2} + 1}{2p}$
  • C
    $\frac{1 - p^{2}}{2p}$
  • D
    $\frac{2p}{1 + p^{2}}$

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જો $\sin (\theta + \alpha ) = a$ અને $\sin (\theta + \beta ) = b$ હોય,તો $\cos 2(\alpha - \beta ) - 4ab\cos (\alpha - \beta )$ ની કિંમત શોધો.

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$\frac{\tan \theta}{1-\cot \theta}+\frac{\cot \theta}{1-\tan \theta}$ ની કિંમત શોધો.

જો $\frac{3\pi}{4} < \alpha < \pi$ હોય,તો $\sqrt{\csc^2 \alpha + 2\cot \alpha}$ ની કિંમત શોધો.

$\tan 100^{\circ} + \tan 125^{\circ} + \tan 100^{\circ} \tan 125^{\circ}$ નું મૂલ્ય શું છે?

જો $\sec \theta + \tan \theta = 2 + \sqrt{5}$ હોય,તો $\sin \theta$ ની કિંમત શોધો.

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