$x > 0$ के लिए समीकरण $\tan(e^x) = e^x + e^{-x}$ के वास्तविक हलों की संख्या क्या है?

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    इनमें से कोई नहीं

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$\frac{\cot 54^\circ}{\tan 36^\circ} + \frac{\tan 20^\circ}{\cot 70^\circ}$ का मान है

यदि $x = \sec \theta + \tan \theta$ है,तो $x + \frac{1}{x} = $

यदि $\cot 20^{\circ} = p$ है,तो $\frac{\tan 160^{\circ} - \tan 110^{\circ}}{1 + \tan 160^{\circ} \tan 110^{\circ}} =$

यदि $\sin 17^{\circ} = \frac{x}{y}$ है,तो $(\sec 17^{\circ} - \sin 73^{\circ})$ का मान ज्ञात कीजिए।

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$\frac{{\cos {{10}^o} + \sin {{10}^o}}}{{\cos {{10}^o} - \sin {{10}^o}}} = $

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