${(\sin ^{ - 1}}x)^3 + {(\cos ^{ - 1}}x)^3$ ની મહત્તમ અને ન્યૂનતમ કિંમત શોધો.

  • A
    $ - \frac{\pi }{2},\,\frac{\pi }{2}$
  • B
    $ - \frac{{{\pi ^3}}}{8},\,\frac{{{\pi ^3}}}{8}$
  • C
    $\frac{{7{\pi ^3}}}{8},\,\,\frac{{{\pi ^3}}}{{32}}$
  • D
    આમાંથી કોઈ નહીં

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$x \in [-1, 1]$ માટે $(\sin^{-1} x)^2 + (\cos^{-1} x)^2$ ની ન્યૂનતમ કિંમત છે:

$2 \tan ^{-1} \frac{1}{2} + \tan ^{-1} \frac{3}{8}$ નું મૂલ્ય શું છે?

$\tan \left[ 2\tan^{-1}\left( \frac{1}{5} \right) - \frac{\pi}{4} \right] = $

જો ${({\tan ^{ - 1}}x)^2} + {({\cot ^{ - 1}}x)^2} = \frac{{5{\pi ^2}}}{8}$ હોય,તો $x$ ની કિંમત શોધો.

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

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