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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- Sep 12th 2007, 01:18 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.

- Sep 12th 2007, 01:29 PMJhevon