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

  • A
    -$1$
  • B
    $1$
  • C
    $0$
  • D
    $\pi \sqrt{\frac{5}{8}}$

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Similar Questions

માત્ર મુખ્ય કિંમતોને ધ્યાનમાં લેતા,જો $\tan (\cos ^{ - 1}x) = \sin [\cot ^{ - 1}(1/2)]$ હોય,તો $x$ ની કિંમત શોધો.

જો $\sin ^{-1}\left(x-\frac{x^2}{2}+\frac{x^3}{4}-\ldots \infty\right) + \cos ^{-1}\left(x^2-\frac{x^4}{2}+\frac{x^6}{4}-\ldots \infty\right)=\frac{\pi}{2}$ અને $0 < x < \sqrt{2}$ હોય,તો $x$ ની કિંમત શોધો.

જો $\sum_{n=1}^{2026} \tan^{-1}(\frac{1}{n^2+n+1}) = \tan^{-1}(1 - \frac{1}{x})$, જ્યાં $x \neq 0$, તો $x = $

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

$\tan^{-1} \left[ \frac{\sqrt{1+x^2} + \sqrt{1-x^2}}{\sqrt{1+x^2} - \sqrt{1-x^2}} \right] = $

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