$\frac{2 \tan(x)}{1-\tan^2(x)}$ ની કિંમત ધન હોય તે માટે,$x$ ની કિંમતો શોધો,જ્યાં $x \in \left(0, \frac{\pi}{2}\right)$ છે.

  • A
    $\left(0, \frac{\pi}{3}\right)$
  • B
    $\left(0, \frac{\pi}{6}\right)$
  • C
    $\left(0, \frac{\pi}{4}\right)$
  • D
    $\left(0, \frac{\pi}{8}\right)$

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જો $\frac{\cos ^2 48^{\circ}-\sin ^2 12^{\circ}}{\sin ^2 24^{\circ}-\sin ^2 6^{\circ}}=\frac{\alpha+\beta \sqrt{5}}{2}$, જ્યાં $\alpha, \beta \in N$, તો $\alpha+\beta$ ની કિંમત . . . . . . થાય.

જો $\cosh x = \frac{5}{4}$ હોય,તો $\tanh 3x =$ શું થાય?

$\cos \frac{\pi}{2^2} \cdot \cos \frac{\pi}{2^3} \cdot \cos \frac{\pi}{2^4} \cdots \cos \frac{\pi}{2^{10}} = $

જો $\cos A = \frac{3}{4}$ હોય,તો $32\sin \frac{A}{2}\cos \frac{5A}{2} = $

$\operatorname{cosec} 2 \theta - \cot 2 \theta = ?$

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