यदि $(\alpha+\beta)$,$\frac{\pi}{2}$ का गुणज नहीं है और $3 \sin (\alpha-\beta)=5 \cos (\alpha+\beta)$ है,तो $\tan \left(\frac{\pi}{4}+\alpha\right)+4 \tan \left(\frac{\pi}{4}+\beta\right)=$

  • A
    $0$
  • B
    $1$
  • C
    $4$
  • D
    $2$

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यदि $x: y: z = \tan \left(\frac{\pi}{15}+\alpha\right): \tan \left(\frac{\pi}{15}+\beta\right): \tan \left(\frac{\pi}{15}+\gamma\right)$ है,तो $\frac{z+x}{z-x} \sin ^2(\gamma-\alpha)+\frac{x+y}{x-y} \sin ^2(\alpha-\beta)+\frac{y+z}{y-z} \sin ^2(\beta-\gamma)$ का मान ज्ञात कीजिए।

यदि $\sin A + \cos A = \sqrt{2}$ है,तो $\cos^2 A = $

यदि $e^{-\pi / 2} < \theta < \pi / 2$ है,तो $\cos (\log \theta)$ और $\log (\cos \theta)$ में से कौन सा बड़ा है?

यदि $\sin \theta + \cos \theta = \frac{1}{2}$ है,तो $16(\sin(2\theta) + \cos(4\theta) + \sin(6\theta))$ का मान ज्ञात कीजिए:

यदि $(1 + \sin A)(1 + \sin B)(1 + \sin C) = (1 - \sin A)(1 - \sin B)(1 - \sin C)$ है,तो प्रत्येक पक्ष किसके बराबर है?

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