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

મુખ્ય કિંમતોના સંદર્ભમાં,જો $\sin ^{-1} x + \sin ^{-1} y + \sin ^{-1} z = \frac{3 \pi}{2}$ હોય,તો $x^{100} + y^{100} + z^{100} =$

$\cos \left[\cos ^{-1}\left(-\frac{1}{7}\right)+\sin ^{-1}\left(-\frac{1}{7}\right)\right]$ ની કિંમત શોધો.

શ્રેણીનો સરવાળો શોધો: $\tan^{-1} \left( \frac{1}{1 + 1 \times 2} \right) + \tan^{-1} \left( \frac{1}{1 + 2 \times 3} \right) + \dots + \tan^{-1} \left( \frac{1}{1 + n(n + 1)} \right) =$

જો $\tan^{-1} \left[ \frac{\sqrt{5} - 2\sqrt{6}}{1 + \sqrt{6}} \right] = \frac{\pi}{3} - \tan^{-1}(k)$ હોય, તો $\sec^{-1}(k) = \dots$

જો $\sin ^{-1}\left(\frac{3}{x}\right)+\sin ^{-1}\left(\frac{4}{x}\right)=\frac{\pi}{2}$ હોય, તો $x$ ની કિંમત શોધો.

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