Can someone explain to me how cos(theta/2) can be recongfigured into The square root of (1/2+ cos(theta)/2). Thanks.

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- September 12th 2007, 02:18 PMjarnycosine problem
Can someone explain to me how cos(theta/2) can be recongfigured into The square root of (1/2+ cos(theta)/2). Thanks.

- September 12th 2007, 02:29 PMJhevon