સમીકરણ $\frac{3 \cos 2x + \cos^3 2x}{\cos^6 x - \sin^6 x} = x^3 - x^2 + 6$ ના ઉકેલો $x \in R$ નો સરવાળો કેટલો થાય?

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

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$\tan 2 \alpha \cdot \tan \left(30^{\circ}-\alpha\right)+\tan 2 \alpha \cdot \tan \left(60^{\circ}-\alpha\right)+\tan \left(60^{\circ}-\alpha\right) \cdot \tan \left(30^{\circ}-\alpha\right)$ ની કિંમત શું થાય?

જો $x=-\frac{1}{2}$ હોય,તો $\sinh ^{-1} x+\operatorname{cosech}^{-1} x=$

$16 \sin 12^{\circ} \cos 18^{\circ} \sin 48^{\circ} = $

જો $|\sin \alpha - \cos \alpha| = \frac{3}{4}$ હોય,તો $|\sec 2\alpha - \tan 2\alpha| = $

જો $\tan x = \frac{2b}{a - c}$ $(a \ne c)$,$y = a \cos^2 x + 2b \sin x \cos x + c \sin^2 x$ અને $z = a \sin^2 x - 2b \sin x \cos x + c \cos^2 x$ હોય,તો:

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