$\sec ^{2} \theta - \frac{\sin ^{2} \theta - 2 \sin ^{4} \theta}{2 \cos ^{4} \theta - \cos ^{2} \theta}$ का मान ज्ञात कीजिए।

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

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$\frac{{\sin 3\theta - \cos 3\theta }}{{\sin \theta + \cos \theta }} + 1 = $

यदि $A = 130^\circ$ और $x = \sin A + \cos A$ है,तो

$\left( \frac{\sin 2A}{1 + \cos 2A} \right) \left( \frac{\cos A}{1 + \cos A} \right) = $

यदि $\cos \theta = \frac{x^{2}-y^{2}}{x^{2}+y^{2}}$ है,तो $\cot \theta$ का मान ज्ञात कीजिए (जहाँ $0^{\circ} \leq \theta \leq 90^{\circ}$)

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$\frac{[\sin (y-z)+\sin (y+z)+2 \sin y]}{[\sin (x-z)+\sin (x+z)+2 \sin x]} = ?$ का मान क्या है?

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