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

  • A
    $\frac{\pi}{3}$
  • B
    $\frac{\pi}{12}$
  • C
    $\frac{\pi}{4}$
  • D
    $\frac{\pi}{6}$

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Similar Questions

समीकरण $\sin^{-1} x = 2 \tan^{-1} x$ (मुख्य मानों में) के हलों की संख्या ज्ञात कीजिए।

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$\tan \left(\sin ^{-1} \frac{3}{5}+\cot ^{-1} \frac{3}{2}\right)$ का मान ज्ञात कीजिए।

$\tan ^{-1} 2 + \tan ^{-1} 3 = $

$\tan \left(\cos ^{-1}\left(\frac{4}{5}\right)+\tan ^{-1}\left(\frac{2}{3}\right)\right)$ का मान है

यदि $\frac{\sin ^{-1} x}{a}=\frac{\cos ^{-1} x}{b}=\frac{\tan ^{-1} y}{c}$ और $0 < x < 1$ है,तो $\cos \left(\frac{\pi c}{a + b}\right)$ का मान ज्ञात कीजिए।

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