$\tan ^{-1} 2 + \tan ^{-1} 3 = $

  • A
    $-\frac{\pi}{4}$
  • B
    $\frac{\pi}{4}$
  • C
    $\frac{3 \pi}{4}$
  • D
    $\frac{5 \pi}{4}$

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$2{\sin ^{ - 1}}\frac{3}{5} + {\cos ^{ - 1}}\frac{{24}}{{25}} = $

જો $-1 < x < 1$ અને $x \neq 0$ માટે $\tan ^{-1}\left(\frac{2 x}{1-x^2}\right)+\cot ^{-1}\left(\frac{1-x^2}{2 x}\right)=\frac{\pi}{3}$ ના તમામ ઉકેલોનો સરવાળો $\alpha-\frac{4}{\sqrt{3}}$ હોય,તો $\alpha$ ની કિંમત $..........$ થાય.

$\cos \left(\sin ^{-1} \frac{1}{5}+\cos ^{-1} x\right)=0$ હોય,તો $x=$ . . . . . . .

$\tan^{-1}4x + \tan^{-1}6x = \frac{\pi}{6}$ ના ઉકેલોની સંખ્યા શોધો,જ્યાં $-\frac{1}{2\sqrt{6}} < x < \frac{1}{2\sqrt{6}}$ છે.

જો $\sin ^{-1} x - \cos ^{-1} x = \frac{\pi}{6}$ હોય,તો $x$ ની કિંમત શોધો.

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