ધારો કે $\tan ^{-1}\left(\tan \frac{5 \pi}{4}\right) = \alpha$ અને $\tan ^{-1}\left(-\tan \frac{2 \pi}{3}\right) = \beta$. તો:

  • A
    $\alpha > \beta$
  • B
    $4 \alpha - 3 \beta = 0$
  • C
    $\alpha + \beta = \frac{5 \pi}{12}$
  • D
    કોઈ નહીં

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જો $\cos^{-1} x - \cos^{-1} \frac{y}{2} = \alpha$ હોય,તો $4x^2 - 4xy \cos \alpha + y^2$ ની કિંમત શોધો.

જો $\tan ^{-1} 2 x+\tan ^{-1} 3 x=\frac{\pi}{4}$ હોય,તો $x$ ની કિંમત શોધો.

વિધેયને તેના સૌથી સરળ સ્વરૂપમાં લખો: $\tan ^{-1} \left( \frac{\sqrt{1+x^{2}}-1}{x} \right), x \neq 0$

$\frac{d}{dx} \left[ \tan^{-1} \left( \frac{a - x}{1 + ax} \right) \right] = $

જો $\frac{(x+1)^{2}}{x^{3}+x}=\frac{A}{x}+\frac{Bx+C}{x^{2}+1}$ હોય,તો $\sin^{-1} A + \tan^{-1} B + \sec^{-1} C$ ની કિંમત શોધો.

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