$\tan 100^\circ + \tan 125^\circ + \tan 100^\circ \tan 125^\circ = $

  • A
    $0$
  • B
    $1/2$
  • C
    $-1$
  • D
    $1$

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$\frac{{\cos 12^\circ - \sin 12^\circ }}{{\cos 12^\circ + \sin 12^\circ }} + \frac{{\sin 147^\circ }}{{\cos 147^\circ }} = $

$\frac{\sin 150^{\circ}-5 \cos 300^{\circ}+7 \tan 225^{\circ}}{\tan 135^{\circ}+3 \sin 210^{\circ}}$ का मान ज्ञात कीजिए।

यदि $\tan \theta = \frac{\sin \alpha - \cos \alpha}{\sin \alpha + \cos \alpha}$ है,तो $\sin \alpha + \cos \alpha$ और $\sin \alpha - \cos \alpha$ का मान क्या होगा?

यदि $A + B + C = 180^o$ है,तो $(\cot B + \cot C)(\cot C + \cot A)(\cot A + \cot B)$ का मान क्या होगा?

यदि $\cos A = m \cos B$ है,तो

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