$\cos^{-1}\left(\frac{15}{17}\right) + 2\tan^{-1}\left(\frac{1}{5}\right) = $

  • A
    $\frac{\pi}{2}$
  • B
    $\cos^{-1}\left(\frac{171}{221}\right)$
  • C
    $\frac{\pi}{4}$
  • D
    इनमें से कोई नहीं

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Similar Questions

$\sin(\cot^{-1}(\tan(\cos^{-1}x)))$ का मान किसके बराबर है?

$\sin ^{-1} \frac{12}{13}+\cos ^{-1} \frac{4}{5}+\tan ^{-1} \frac{63}{16}$ का मान क्या है?

${\sin ^{ - 1}}\left[ {x\sqrt {1 - x} - \sqrt x \sqrt {1 - {x^2}} } \right] = $

यदि $\tan ^{-1}\left(\frac{x}{2}\right)+\tan ^{-1}\left(\frac{y}{2}\right)+\tan ^{-1}\left(\frac{z}{2}\right)=\frac{\pi}{2}$ है,तो $x y+y z+z x=$

यदि $\sin \left( \sin^{-1} \frac{1}{5} + \cos^{-1} x \right) = 1$ है,तो $x$ का मान ज्ञात कीजिए।

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