$2 \tan^{-1} \frac{1}{2} + \tan^{-1} \frac{1}{7}$ का मान ज्ञात कीजिए।

  • A
    $\tan^{-1} \left( \frac{17}{31} \right)$
  • B
    $\tan^{-1} \left( \frac{19}{31} \right)$
  • C
    $\tan^{-1} \left( \frac{31}{17} \right)$
  • D
    $\tan^{-1} \left( \frac{31}{19} \right)$

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Similar Questions

$\tan \left[ {\frac{1}{2}{{\sin }^{ - 1}}\left( {\frac{{2a}}{{1 + {a^2}}}} \right) + \frac{1}{2}{{\cos }^{ - 1}}\left( {\frac{{1 - {a^2}}}{{1 + {a^2}}}} \right)} \right] = $

यदि $x \neq n \pi, x \neq(2 n+1) \frac{\pi}{2}, n \in Z$ है,तो $\frac{\sin ^{-1}(\cos x)+\cos ^{-1}(\sin x)}{\tan ^{-1}(\cot x)+\cot ^{-1}(\tan x)}$ का मान क्या है?

असमिका $\cos ^{-1} x < \sin ^{-1} x$ का हल समुच्चय क्या है?

$\sin^{-1} x - \sin^{-1} 2x = \pm \frac{\pi}{3}$ का हल है

यदि $0 < x < 1$ है,तो $y = \cos^{-1}\left(\frac{1-x^2}{1+x^2}\right)$ के लिए $\frac{dy}{dx}$ ज्ञात कीजिए।

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