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\tan^{- 1} 2 + c o t^{- 1} \frac{1}{3}

এর মান কোনটি?

\frac{π}{4}

\frac{5 π}{4}

\frac{3 π}{4}

\frac{2 π}{3}

\frac{5 π}{6}

ANS : 3

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