Ifcos(2sin−1x)=91,thenxisequalto

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If, ( {2{{ }^{ - 1}}x} ) = {1}{9},,then,,x,,is,,equal,,to

Question

$I f cos (2 sin^{- 1} x) = \frac{1}{9}, t h e n x i s e q u a l t o$

O n l y \frac{2}{3}

O n l y - \frac{2}{3}

\frac{2}{3}, - \frac{2}{3}

\frac{1}{3}

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I f cos (2 sin^{- 1} x) = \frac{1}{9}, t h e n x i s e q u a l t o

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Question Text

I f cos (2 sin^{- 1} x) = \frac{1}{9}, t h e n x i s e q u a l t o