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

  • A
    $2$
  • B
    $3$
  • C
    $1$
  • D
    $0$

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$\sin 105^{\circ} + \cos 105^{\circ}$ का मान क्या है?

यदि $A + B = \frac{\pi}{4}$ है,तो $(1 + \tan A)(1 + \tan B) = $

$\tan^{-1} \left( \frac{\sin 2 - 1}{\cos 2} \right)$ का मान किसके बराबर है?

${\left( {\frac{{\cos A + \cos B}}{{\sin A - \sin B}}} \right)^n} + {\left( {\frac{{\sin A + \sin B}}{{\cos A - \cos B}}} \right)^n}$ ($n$ सम या विषम है) $=$

यदि $\tan 3^{\circ} + 2\tan 6^{\circ} + 4\tan 12^{\circ} + 8\cot 24^{\circ} = \cot \theta^{\circ}$ है,तो:

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