જો $\frac{\sqrt{2} \sin \alpha}{\sqrt{1+\cos 2 \alpha}}=\frac{1}{7}$ અને $\sqrt{\frac{1-\cos 2 \beta}{2}}=\frac{1}{\sqrt{10}}$ જ્યાં $\alpha, \beta \in (0, \frac{\pi}{2})$,તો $\tan (\alpha+2 \beta)$ ની કિંમત શોધો.

  • A
    $1$
  • B
    $2$
  • C
    $2.5$
  • D
    $3.5$

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જો $P = \tan 15^{\circ} + \cot 15^{\circ}$,$Q = \tan 22 \frac{1}{2}^{\circ} + \cot 22 \frac{1}{2}^{\circ}$ અને $R = \sin 54^{\circ} + \sin 18^{\circ}$ હોય,તો તેમનો ચડતો ક્રમ કયો છે?

જો $3 \sin \theta + 4 \cos \theta = 3$ અને $\theta \neq (2n + 1) \frac{\pi}{2}$ હોય,તો $\sin 2 \theta = $

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

જો $a \tan \alpha + b \tan \beta = (a + b) \tan \left( \frac{\alpha + \beta}{2} \right)$ અને $\alpha - \beta \neq 2n\pi$ હોય,તો $\frac{\cos \beta}{\cos \alpha} = $

જો $\tan A = 2\tan B + \cot B$ હોય,તો $2\tan (A - B) = $

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