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

  • A
    $90^o$
  • B
    $60^o$
  • C
    $45^o$
  • D
    $\tan ^{ - 1}2$

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Similar Questions

यदि $\sin ^{-1} x < \cos ^{-1} x$ है, तो

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

$\sin^{-1} x + \cos^{-1} x$ किसके बराबर है?

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

$\cot \left( {\sum\limits_{n = 1}^{19} {{{\cot }^{ - 1}}\left( {1 + \sum\limits_{p = 1}^n {2p} } \right)} } \right)$ का मान ज्ञात कीजिए।

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