જો $\tanh x = \operatorname{sech} y = \frac{3}{5}$ અને $e^{x+y}$ એક પૂર્ણાંક હોય,તો $e^{x+y} =$

  • A
    $2$
  • B
    $8$
  • C
    $1$
  • D
    $6$

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જો $\cosh \beta = \sec \alpha \cos \theta$ અને $\sinh \beta = \operatorname{cosec} \alpha \sin \theta$ હોય,તો $\sinh^2 \beta =$

અંતરાલ $(0, 2\pi)$ માં સમીકરણ $\cos x \cos \left(\frac{\pi}{3}-x\right) \cos \left(\frac{\pi}{3}+x\right)=\frac{1}{4}$ ના ઉકેલોનો સરવાળો શોધો.

$\sin \frac{2 \pi}{5}+\sin \frac{4 \pi}{5}+\sin \frac{6 \pi}{5}+\sin \frac{8 \pi}{5}$ ની કિંમત શોધો.

જો $\frac{\tan(A-B)}{\tan A} + \frac{\sin^{2}C}{\sin^{2}A} = 1,$ જ્યાં $A, B, C \in (0, \frac{\pi}{2})$, તો:

જો $\theta = \frac{\pi}{6}$ અને $x = \log \left[ \cot \left( \frac{\pi}{4} + \theta \right) \right]$ હોય,તો $\sinh(x) =$

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