Through the 2009 season, no. For the Cowboys to beat the Giants three times in one season they would have to meet in the playoffs. The Cowboys and Giants have met only once in the playoffs, that being in 2007 with the Giants winning 21-17. The Cowboys had won both regular season games against the Giants that season.
The Cowboys have been in the playoffs 29 times since they became an NFL team in 1960.
They have played 22 times during the regular season and the playoffs. Dallas leads the series 13 to 9.
The Cowboys have not reached the playoffs in a total of 19 seasons since their start in 1960.
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Through the 2013 season, the New York Giants made it to the playoffs 31 times.
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The Cowboys have made the playoffs a total of 30 times from 1966 to 2009.
The Cowboys appeared in the playoffs after the 2003, 2006, 2007 and 2009 regular seasons.
From 2000 through the 2012 season, the NY Giants made the playoffs seven times.
Through the 2012 season, the New York Giants and Minnesota Vikings have played each other 25 times. This includes the playoffs.
The Cowboys have appeared in the playoffs 30 times between 1966 and 2009.