જો $\tanh x = \frac{1}{2}$ હોય,તો $\sinh 2x - \text{sech } 2x = $

  • A
    $\frac{29}{15}$
  • B
    $\frac{11}{15}$
  • C
    $3$
  • D
    $\frac{-13}{15}$

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$2 \sin \left(\frac{\pi}{22}\right) \sin \left(\frac{3 \pi}{22}\right) \sin \left(\frac{5 \pi}{22}\right) \sin \left(\frac{7 \pi}{22}\right) \sin \left(\frac{9 \pi}{22}\right)$ ની કિંમત શોધો.

જો $\sec (\theta+\alpha), \sec \theta$ અને $\sec (\theta-\alpha)$ સમાંતર શ્રેણીમાં હોય,તો $\sin ^2 \theta=$

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

$6(\sin^6 \theta + \cos^6 \theta) - 9(\sin^4 \theta + \cos^4 \theta) + 4$ ની કિંમત શોધો.

જો $x \sin^3 \alpha + y \cos^3 \alpha = \sin \alpha \cos \alpha$ અને $x \sin \alpha - y \cos \alpha = 0$ હોય,તો $x^2 + y^2 = $

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