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যদি $x = \sqrt{2}$ হয়, তবে $\cos \sin^{- 1} (\tan \sin^{- 1} (\frac{1}{\sqrt{1 + x^{2}}}))$ এর মান কত?

\sqrt{2}

\frac{1}{\sqrt{3}}

\frac{1}{\sqrt{2}}

ANS : 0

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