यदि $\frac{\sin(x + y)}{\sin(x - y)} = \frac{a + b}{a - b}$ है,तो $\frac{\tan x}{\tan y}$ का मान ज्ञात कीजिए।

  • A
    $\frac{b}{a}$
  • B
    $\frac{a}{b}$
  • C
    $ab$
  • D
    इनमें से कोई नहीं

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Similar Questions

$(\cos \alpha + \cos \beta )^2 + (\sin \alpha + \sin \beta )^2 = $

यदि $\cos(\alpha + \beta) = \frac{4}{5}$ और $\sin(\alpha - \beta) = \frac{5}{13}$,जहाँ $0 \le \alpha, \beta \le \frac{\pi}{4}$ है,तो $\tan 2\alpha = $

यदि $\cos (\alpha+\beta)=\frac{4}{5}$,$\sin (\alpha-\beta)=\frac{5}{13}$ और $\alpha, \beta$ का मान $0$ और $\frac{\pi}{4}$ के बीच है,तो $\tan 2 \alpha$ का मान ज्ञात कीजिए।

$\cos(36^{\circ}-A) \cos(36^{\circ}+A) + \cos(54^{\circ}+A) \cos(54^{\circ}-A) = $

$\cos \alpha \sin (\beta - \gamma ) + \cos \beta \sin (\gamma - \alpha ) + \cos \gamma \sin (\alpha - \beta ) = $

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