$\tan ^{-1} \frac{3}{4} + \tan ^{-1} \frac{3}{5} - \tan ^{-1} \frac{8}{19} = $

  • A
    $\frac{\pi }{4}$
  • B
    $\frac{\pi }{3}$
  • C
    $\frac{\pi }{6}$
  • D
    આમાંથી કોઈ નહીં

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Similar Questions

$\sin(\cot^{-1}(\tan(\cos^{-1}x)))$ નું મૂલ્ય કેટલું થાય?

જો $\frac{1}{2} \leq x \leq 1$ હોય, તો $\cos ^{-1} x+\cos ^{-1}\left(\frac{x}{2}+\frac{1}{2} \sqrt{3-3 x^2}\right)$ ની કિંમત શોધો.

$\tan \left(\frac{\pi}{4}+\frac{1}{2} \cos ^{-1}\left(\frac{a}{b}\right)\right)+\tan \left(\frac{\pi}{4}-\frac{1}{2} \cos ^{-1}\left(\frac{a}{b}\right)\right)$ ની કિંમત શોધો.

સમીકરણ $\sin^{-1}x - \cos^{-1}x = \cos^{-1}\left(\frac{\sqrt{3}}{2}\right)$ માટે

$4 \tan^{-1} \frac{1}{5} - \tan^{-1} \frac{1}{239}$ ની કિંમત શોધો.

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