$\tan ^{-1} \frac{1}{3}+\tan ^{-1} \frac{1}{5}+\tan ^{-1} \frac{1}{7}+\tan ^{-1} \frac{1}{8}$ का मान ज्ञात कीजिए।

  • A
    $\frac{\pi}{4}$
  • B
    $\frac{\pi}{6}$
  • C
    $\frac{\pi}{2}$
  • D
    $\frac{\pi}{3}$

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Similar Questions

यदि किसी $x \in (-1, 1)$ के लिए $\sin^{-1} x = \frac{\pi}{5}$ है,तो $\cos^{-1} x$ का मान ज्ञात कीजिए।

फलन को सरलतम रूप में लिखिए: $\tan ^{-1}\left(\frac{1}{\sqrt{x^{2}-1}}\right), |x|>1$

$\tan ^{-1}\left(\frac{x}{y}\right)-\tan ^{-1}\left(\frac{x-y}{x+y}\right)$ (जहाँ,$x, y>0$) का मान क्या है?

$\tan \left(2 \tan^{-1}\left(\frac{1}{3}\right)+\tan^{-1}\left(\frac{1}{7}\right)\right) = $

$\sin \left[ \frac{\pi }{2} - \sin^{-1} \left( -\frac{\sqrt{3}}{2} \right) \right] = $

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