$\tan \frac{\pi}{8}$ का मान किसके बराबर है?

  • A
    $\frac{1}{2}$
  • B
    $\sqrt{2}+1$
  • C
    $\frac{1}{\sqrt{2}+1}$
  • D
    $1-\sqrt{2}$

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$\tan \frac{\pi}{8}$ का मान क्या है?

$\tan \left( \frac{\pi }{4} + \theta \right) - \tan \left( \frac{\pi }{4} - \theta \right) = $

यदि $3 \sin x + 4 \cos x = 5$ है,तो $6 \tan \frac{x}{2} - 9 \tan^2 \frac{x}{2}$ का मान ज्ञात कीजिए।

यदि $\frac{2\sin \alpha}{1 + \cos \alpha + \sin \alpha} = y$ है,तो $\frac{1 - \cos \alpha + \sin \alpha}{1 + \sin \alpha} = $

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