$\operatorname{cosec}^{-1}(\sqrt{2})+\cos ^{-1}\left(\frac{-1}{2}\right)-\sec ^{-1}\left(\frac{2}{\sqrt{3}}\right)$ का मान किसके बराबर है?

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

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Similar Questions

$\sin^{-1} \frac{1}{\sqrt{5}} + \cot^{-1} 3$ का मान ज्ञात कीजिए।

यदि $\tan^{-1}x + \tan^{-1}y + \tan^{-1}z = \pi$ है,तो $x + y + z$ का मान क्या होगा?

$\sin \left[ \frac{\pi }{2} - \sin^{-1} \left( -\frac{\sqrt{3}}{2} \right) \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 $(\tan ^{-1} x)^2+(\cot ^{-1} x)^2=\frac{5 \pi^2}{8}$ है,तो $x^2+1=$

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