$\tan ^{-1}\left(\frac{1}{3}\right)+\tan ^{-1}\left(\frac{1}{5}\right)+\tan ^{-1}\left(\frac{1}{7}\right)+\tan ^{-1}\left(\frac{1}{8}\right)$ નું મૂલ્ય શોધો.

  • A
    $\frac{4 \pi}{3}$
  • B
    $\frac{\pi}{4}$
  • C
    $\frac{2 \pi}{4}$
  • D
    $\frac{3 \pi}{4}$

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Similar Questions

$\sin^{-1} x - \sin^{-1} 2x = \pm \frac{\pi}{3}$ નો ઉકેલ શોધો.

જો $\sin^{-1} \frac{1}{3} + \sin^{-1} \frac{2}{3} = \sin^{-1} x$ હોય,તો $x$ ની કિંમત શોધો.

જો $x \geq 1$ હોય,તો $2 \tan^{-1} x + \sin^{-1} (\frac{2x}{1+x^2})$ ની કિંમત શું થાય?

${\sin ^{ - 1}}\frac{4}{5} + 2{\tan ^{ - 1}}\frac{1}{3} = $

કિંમત શોધો: $\tan ^2(\sec ^{-1} 3) + \operatorname{cosec}^2(\cot ^{-1} 2) + \cos ^2(\cos ^{-1} \frac{2}{3} + \sin ^{-1} \frac{2}{3}) = $ . . . . . . .

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