$2 \operatorname{Cos}^{-1} x + \operatorname{Sin}^{-1} x = \frac{11 \pi}{6}$ સમીકરણના ઉકેલોની સંખ્યા કેટલી છે?

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $3$

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Similar Questions

$\sin ^{-1} \frac{12}{13}+\cos ^{-1} \frac{4}{5}+\tan ^{-1} \frac{63}{16}$ ની કિંમત શું છે?

કિંમત શોધો: $\tan^{-1} \left( \frac{1 - x^2}{2x} \right) + \cos^{-1} \left( \frac{1 - x^2}{1 + x^2} \right)$

$\tan ^{-1}\left(\frac{1}{3}\right)+\tan ^{-1}\left(\frac{1}{5}\right)+\tan ^{-1}\left(\frac{1}{7}\right)+\tan ^{-1}\left(\frac{1}{8}\right)$ ની કિંમત શોધો.

જો $x * y = x^{2} + y^{3}$ અને $(x * 1) * 1 = x * (1 * 1)$ હોય,તો $2 \sin^{-1}\left(\frac{x^{4} + x^{2} - 2}{x^{4} + x^{2} + 2}\right)$ ની કિંમત શોધો.

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

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