$\tan \frac{\pi}{5} + 2 \tan \frac{2 \pi}{5} + 4 \cot \frac{4 \pi}{5} = $

  • A
    $\cot \frac{\pi}{5}$
  • B
    $\cot \frac{2 \pi}{5}$
  • C
    $\cot \frac{3 \pi}{5}$
  • D
    $\cot \frac{4 \pi}{5}$

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$\cos 6^{\circ} \sin 24^{\circ} \cos 72^{\circ} = $

જો $\tan \theta + \cot \theta = 2$ હોય,તો $\sin \theta$ ની કિંમત કેટલી થાય?

જો $\sin x \cdot \cosh y = \cos \theta$ અને $\cos x \cdot \sinh y = \sin \theta$ હોય,તો $\sin^2 x + \cosh^2 y = $

જો $\tan \alpha = 2 \sin \beta \sin \gamma \operatorname{cosec}(\beta + \gamma)$ હોય,તો

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