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

यदि $\sin A + \sin B = C$ और $\cos A + \cos B = D$ है,तो $\sin (A + B)$ का मान ज्ञात कीजिए।

सिद्ध कीजिए कि: $\frac{(\sin 7x + \sin 5x) + (\sin 9x + \sin 3x)}{(\cos 7x + \cos 5x) + (\cos 9x + \cos 3x)} = \tan 6x$

सिद्ध कीजिए कि: $\sin x + \sin 3x + \sin 5x + \sin 7x = 4 \cos x \cos 2x \sin 4x$

$\sin 75^{\circ}$ का मान ज्ञात कीजिए।

$\tan 5x \tan 3x \tan 2x = $

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