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Home  >>  EAMCET  >>  Mathematics
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$\cos A =\large\frac{3}{4}$$=>32 \sin \bigg(\large\frac{A}{2}\bigg)$$ \sin \bigg(\large\frac{5A}{2}\bigg)=$

\[\begin {array} {1 1} (a)\;7 & \quad (b)\;8 \\ (c)\;13 & \quad (d)\;11 \end {array}\]

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(d) 11
answered Nov 7, 2013 by pady_1
 

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