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Olympiad-Math
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Class 10
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If $ \cos \theta = \large\frac{2}{3}$, then $2 \sec^2 \theta+2 \tan ^2 \theta -7$ is equal to
$\begin{array}{1 1}(A) \; 1 \\(B)\;0 \\(C)\;3 \\(D)\;4 \end{array}$
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