જો $3 \tan^{-1} x + \cot^{-1} x = \pi$ હોય,તો $x$ ની કિંમત શોધો.

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $\frac{1}{2}$

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જો $\frac{1}{2} \leq x \leq 1$ હોય, તો $\cos ^{-1} x+\cos ^{-1}\left(\frac{x}{2}+\frac{1}{2} \sqrt{3-3 x^2}\right)$ ની કિંમત શોધો.

જો $\sin ^{-1}\left(\frac{x}{13}\right)+\operatorname{cosec}^{-1}\left(\frac{13}{12}\right)=\frac{\pi}{2}$ હોય, તો $x$ ની કિંમત શોધો.

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

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

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