(New page: There is no explanation as to how you obtained the first equation given that is the difficult part of the problem. --Paul S.) |
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| − | There is no explanation as to how you obtained the | + | There is no explanation as to how you obtained the equation <math>\cos(2t)\,= \frac{e^{2jt}+e^{-2jt}}{2}\,</math>. and that is the most difficult part of the problem. --Paul S. |
Latest revision as of 07:01, 18 September 2008
There is no explanation as to how you obtained the equation $ \cos(2t)\,= \frac{e^{2jt}+e^{-2jt}}{2}\, $. and that is the most difficult part of the problem. --Paul S.
