$\tan \frac{\pi}{5}+2 \tan \frac{2 \pi}{5}+4 \cot \frac{4 \pi}{5}$ ની કિંમત શોધો.

  • 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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Similar Questions

જો $\cos \frac{\pi}{7} \cos \frac{2 \pi}{7} \cos \frac{4 \pi}{7} = \frac{\sin \frac{8 \pi}{7}}{8 \sin \frac{\pi}{7}}$ હોય,તો $\sin \frac{\pi}{14} \sin \frac{3 \pi}{14} \sin \frac{5 \pi}{14} \sin \frac{7 \pi}{14} \sin \frac{9 \pi}{14} \sin \frac{11 \pi}{14} \sin \frac{13 \pi}{14} = $

પદાવલિ $\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}$ ની કિંમત શોધો.

જો $\tan \left(\frac{\pi}{4}+\frac{\alpha}{2}\right)=\tan ^3\left(\frac{\pi}{4}+\frac{\beta}{2}\right)$ હોય,તો $\frac{3+\sin ^2 \beta}{1+3 \sin ^2 \beta}=$

જો $\cot x \cot y = a$ અને $x+y = \frac{\pi}{6}$ હોય,તો $\cot x$ અને $\cot y$ ના બીજ ધરાવતું દ્વિઘાત સમીકરણ કયું છે?

જો $A = \frac{\sin 3^\circ}{\cos 9^\circ} + \frac{\sin 9^\circ}{\cos 27^\circ} + \frac{\sin 27^\circ}{\cos 81^\circ}$ અને $B = \tan 81^\circ - \tan 3^\circ$ હોય, તો $\frac{B}{A}$ ની કિંમત . . . . . . થાય.

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