$2 \tan^{-1}(\cos x) = \tan^{-1}(\csc^2 x)$ है,तो $x = $

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

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यदि $\sin ^{ - 1}\frac{{2a}}{{1 + {a^2}}} - \cos ^{ - 1}\frac{{1 - {b^2}}}{{1 + {b^2}}} = \tan ^{ - 1}\frac{{2x}}{{1 - {x^2}}}$,तो $x = $

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प्रतिलोम त्रिकोणमितीय फलनों के मुख्य मानों को ध्यान में रखते हुए,$\sin ^{-1}\left(\frac{\sqrt{3}}{2} x+\frac{1}{2} \sqrt{1-x^2}\right)$,जहाँ $-\frac{1}{2} < x < \frac{1}{\sqrt{2}}$,किसके बराबर है?

यदि $0 \leq x \leq \frac{1}{2}$ है,तो $\tan \left[\sin ^{-1}\left\{\frac{x}{\sqrt{2}}+\frac{\sqrt{1-x^{2}}}{\sqrt{2}}\right\}-\sin ^{-1} x\right]$ का मान ज्ञात कीजिए।

समीकरण $2\cos^{-1}x + \sin^{-1}x = \frac{11\pi}{6}$ के

यदि $\tan ^{-1}\left(\frac{x-1}{x-2}\right)+\tan ^{-1}\left(\frac{x+1}{x+2}\right)=\frac{\pi}{4}$ है,तो $x$ के मान ज्ञात कीजिए।

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