$\cot \left(\tan ^{-1} a+\cot ^{-1} a\right)$ ની કિંમત શોધો.

  • A
    $1$
  • B
    $0$
  • C
    $\frac{\pi}{2}$
  • D
    $\frac{\pi}{4}$

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Similar Questions

$k$ ના તમામ મૂલ્યોનો ગણ જેના માટે $(\tan^{-1} x)^3 + (\cot^{-1} x)^3 = k \pi^3$,$x \in \mathbb{R}$,એ અંતરાલ છે

જો $\sin ^{-1}\left(\frac{2 a}{1+a^2}\right)+\cos ^{-1}\left(\frac{1-a^2}{1+a^2}\right)=\tan ^{-1}\left(\frac{2 x}{1-x^2}\right)$ જ્યાં $a, x \in(0,1)$,તો $x$ ની કિંમત શોધો.

જો $\tan^{-1} \left[ \frac{\sqrt{5} - 2\sqrt{6}}{1 + \sqrt{6}} \right] = \frac{\pi}{3} - \tan^{-1}(k)$ હોય, તો $\sec^{-1}(k) = \dots$

કિંમત શોધો: $\operatorname{cosec}^{-1}\left[\left(\frac{\tan ^2\left(\frac{\alpha-\pi}{4}\right)-1}{\tan ^2\left(\frac{\alpha-\pi}{4}\right)+1}+\cos \frac{\alpha}{2} \cdot \cot 5 \alpha\right) \sec \frac{11 \alpha}{2}\right]$

જો $y = \sin^{-1}\left(\frac{19}{20}x\right) + \cos^{-1}\left(\frac{19}{20}x\right)$ હોય,તો $\frac{dy}{dx} = $

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