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Home  >>  EAMCET  >>  Mathematics
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For all values of $\theta$, the values of $3- \cos \theta+ \cos \bigg(\theta+\large\frac{\pi}{3}\bigg)$ lie in the interval :

\[\begin {array} {1 1} (a)\;[-2,3] & \quad (b)\;[-2,1] \\ (c)\;[2,4]& \quad (d)\;[1,5] \end {array}\]
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(c) [2,4]
answered Nov 7, 2013 by pady_1
 
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