$\tanh ^{-1}\left(\frac{1}{2}\right)+\operatorname{coth}^{-1}(2)$ ની કિંમત શોધો.

  • A
    $\frac{1}{2} \log 3$
  • B
    $\frac{1}{2} \log 6$
  • C
    $\frac{1}{2} \log 12$
  • D
    $\log 3$

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$\cos^{-1}(\cos \frac{5\pi}{3}) + \sin^{-1}(\sin \frac{5\pi}{3})$ નું મૂલ્ય શોધો.

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$\cos ^{-1}\left(\cos \frac{13 \pi}{6}\right)+\tan ^{-1}\left(\tan \frac{7 \pi}{6}\right)=$ . . . . . . .

$\cos \left(\tan^{-1} x\right) = . . . . . . . (|x| < 1)$.

એક ધન લઘુકોણને બે ભાગમાં વિભાજિત કરવામાં આવે છે જેના સ્પર્શકો (tangents) $\frac{1}{2}$ અને $\frac{1}{3}$ છે. તો તે ખૂણો કેટલો હશે?

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