જો $\cosh 2x = 241$ હોય,તો $\operatorname{coth} x$ ની કિંમત શોધો.

  • A
    $\frac{7}{\sqrt{30}}$
  • B
    $\frac{11}{\sqrt{30}}$
  • C
    $\frac{7}{2 \sqrt{30}}$
  • D
    $\frac{11}{2 \sqrt{30}}$

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$\tan {20^\circ} + 2\tan {50^\circ} - \tan {70^\circ}$ નું મૂલ્ય કેટલું થાય?

જો $A$ અને $B$ લઘુકોણ હોય જે $3 \cos ^2 A + 2 \cos ^2 B = 4$ અને $\frac{3 \sin A}{\sin B} = \frac{2 \cos B}{\cos A}$ નું સમાધાન કરે,તો $A + 2B =$ ($^{\circ}$ માં)

જો $\sin 2\theta + \sin 2\phi = 1/2$ અને $\cos 2\theta + \cos 2\phi = 3/2$ હોય,તો $\cos^2(\theta - \phi) = $

પદાવલિ $\cos^2 \alpha + \cos^2(\alpha + 120^\circ) + \cos^2(\alpha - 120^\circ)$ ની કિંમત શોધો.

$\sinh ^{-1} 2 + \sinh ^{-1} 3 = x \Rightarrow \cosh x$ ની કિંમત શોધો.

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