यदि $\sec ^{-1}\left(\frac{5}{x}\right)+\sin ^{-1} \left(\frac{4}{5}\right)=\frac{\pi}{2}$,जहाँ $x \neq 0$,तो $x=$ . . . . . . .

  • A
    $3$
  • B
    $1$
  • C
    $5$
  • D
    $4$

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Similar Questions

$|x| < \frac{1}{\sqrt{2}}, x \neq 0$ के लिए $\tan ^{-1}\left(\frac{\sqrt{1+x^2}+\sqrt{1-x^2}}{\sqrt{1+x^2}-\sqrt{1-x^2}}\right)$ का मान ज्ञात कीजिए।

$\cos \left[\sin ^{-1}\left(\frac{3}{5}\right)+\cos ^{-1}\left(\frac{12}{13}\right)\right]=$

मान ज्ञात कीजिए: $\cos(\cos^{-1}(-\frac{1}{2}) + \frac{\pi}{3}) = $

यदि $x \ge 0$ के लिए $\theta = \sin^{-1}x + \cos^{-1}x - \tan^{-1}x$ है,तो वह सबसे छोटा अंतराल जिसमें $\theta$ स्थित है,है

$\cos ^{ - 1}\frac{4}{5} + \tan ^{ - 1}\frac{3}{5} = $

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