$\cos ^{-1}\left(2 x^{2}-1\right)$ નું $\cos ^{-1} x$ ની સાપેક્ષમાં વિકલન શું થાય?

  • A
    $2$
  • B
    $1/2$
  • C
    $-2$
  • D
    $-1/2$

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કિંમત શોધો: $\cos(\cos^{-1}(-\frac{1}{2}) + \frac{\pi}{3}) = $

$\frac{d}{dx}[\tan^{-1}(\cot x) + \cot^{-1}(\tan x)] = $

$\tan \left(\cos ^{-1}\left(\frac{4}{5}\right)+\tan ^{-1}\left(\frac{2}{3}\right)\right)$ ની કિંમત શોધો.

વિધેયને તેના સરળ સ્વરૂપમાં લખો: $\tan ^{-1}\left(\frac{1}{\sqrt{x^{2}-1}}\right), |x|>1$

જો $4\sin^{-1}x + \cos^{-1}x = \pi$ હોય,તો $x$ ની કિંમત શોધો.

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