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Home  >>  EAMCET  >>  Mathematics
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If $5 \cos x +12 \cos y=13$, then the maximum value of $5 \sin x +12 \sin y$ is :

\[\begin {array} {1 1} (a)\;12 & \quad (b)\;\sqrt {120} \\ (c)\;\sqrt {20} & \quad (d)\;13 \end {array}\]

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1 Answer

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(b) $\sqrt {120}$
answered Nov 7, 2013 by pady_1
 
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