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The value of x, where $ x > 0 $ and $\tan \bigg(\sec^{-1}\bigg(\large\frac{1}{x}\bigg)\bigg)$$=\sin (\tan ^{-1}2)$ is

\[\begin {array} {1 1} (a)\;\sqrt 5 & \quad (b)\;\frac{\sqrt 5}{3} \\ (c)\;1 & \quad (d)\;2/3 \end {array}\]

1 Answer

$(b) \frac{\sqrt 5}{3}$
answered Nov 7, 2013 by pady_1
 

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