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Questions  >>  CBSE XII  >>  Math  >>  Model Papers
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Find the value of $\sin (2 \tan ^{-1} \large\frac{1}{3})$$+ \cos(\tan^{-1} 2 \sqrt 2)$

$\begin{array}{1 1} 0 \\ 1 \\ \large\frac{14}{15} \\ \large\frac{9}{7} \end{array} $

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