જો $b \sin \alpha = a \sin (\alpha + 2\beta)$ હોય,તો $\frac{a + b}{a - b} = $

  • A
    $\frac{\tan \beta}{\tan (\alpha + \beta)}$
  • B
    $\frac{\cot \beta}{\cot (\alpha - \beta)}$
  • C
    $\frac{-\cot \beta}{\cot (\alpha + \beta)}$
  • D
    $\frac{\cot \beta}{\cot (\alpha + \beta)}$

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Similar Questions

જો $\cos \theta = \frac{3}{5}$ અને $\cos \phi = \frac{4}{5}$ હોય,જ્યાં $\theta$ અને $\phi$ ધન લઘુકોણ છે,તો $\cos \frac{\theta - \phi}{2} = $

$\tan 20^\circ + \tan 40^\circ + \sqrt{3} \tan 20^\circ \tan 40^\circ = $

જો $\cos (A - B) = \frac{3}{5}$ અને $\tan A \tan B = 2$ હોય,તો

કિંમત શોધો: $\sin (\beta + \gamma - \alpha ) + \sin (\gamma + \alpha - \beta ) + \sin (\alpha + \beta - \gamma ) - \sin (\alpha + \beta + \gamma )$

$\frac{\sin 3\theta + \sin 5\theta + \sin 7\theta + \sin 9\theta}{\cos 3\theta + \cos 5\theta + \cos 7\theta + \cos 9\theta} = $

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