यदि $\sin ^{-1}\left(\frac{x}{5}\right)+\operatorname{cosec}^{-1}\left(\frac{5}{4}\right)=\frac{\pi}{2}$ है,तो $x$ का मान ज्ञात कीजिए।

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

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Similar Questions

$(\tan ^{-1} x)^2+(\cot ^{-1} x)^2=\frac{5 \pi^2}{8} \Rightarrow x=$

$\cot \left(\sum_{n=1}^{50} \tan ^{-1}\left(\frac{1}{1+n+n^2}\right)\right) = $

$\tan \left( \tan^{-1} \frac{1}{2} - \tan^{-1} \frac{1}{3} \right)$ का मान क्या है?

यदि $\cos ^{-1} x - \cos ^{-1} \frac{y}{3} = \alpha$,जहाँ $-1 \leq x \leq 1$,$-3 \leq y \leq 3$,और $x \leq \frac{y}{3}$ है,तो सभी $x, y$ के लिए $9x^2 - 6xy \cos \alpha + y^2$ का मान क्या होगा?

सिद्ध कीजिए कि $\tan ^{-1} \frac{1}{5}+\tan ^{-1} \frac{1}{7}+\tan ^{-1} \frac{1}{3}+\tan ^{-1} \frac{1}{8}=\frac{\pi}{4}$

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