यदि $\tan \theta + \cot \theta = 4$ है,तो $\tan^{4} \theta + \cot^{4} \theta = $

  • A
    $194$
  • B
    $110$
  • C
    $80$
  • D
    $191$

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यदि $\tanh x = \frac{1}{2}$ है,तो $\sinh 2x - \text{sech } 2x = $

$1 + \cos 56^\circ + \cos 58^\circ - \cos 66^\circ = $

यदि $\frac{\cos^4 \alpha}{\cos^2 \beta} + \frac{\sin^4 \alpha}{\sin^2 \beta} = 1$ है,तो $\left[ \frac{\cos^4 \beta}{\cos^2 \alpha} + \frac{\sin^4 \beta}{\sin^2 \alpha} \right]$ का मान ज्ञात कीजिए (जहाँ $[.]$ महत्तम पूर्णांक फलन को दर्शाता है)।

$\frac{1+\cos \theta-\sin \theta}{1+\cos \theta+\sin \theta}+\frac{1+\cos \theta+\sin \theta}{1+\cos \theta-\sin \theta}=$

यदि $p = \frac{2\sin \theta}{1 + \cos \theta + \sin \theta}$ और $q = \frac{\cos \theta}{1 + \sin \theta}$ है,तो

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