Let's examine the following graphs: Again, the period of the original sine curve has changed here, as we would expect. The difference with a negative value of b however, is our sine curves have the same period as the positive values of b above, but now they are reflected across the x-axis. For a direct comparison between positive and negative values of b, click here.
Quick Answer. As of 2014, Joachim Gauck is the president of Germany. The 72-year-old was elected to the position on March 18, 2012, in Berlin after receiving 991 of the 1,228 valid votes.
German Chancellor Angela Merkel took the No. 1 spot once again. The magazine notes Chancellor Merkel has made the list 10 times over the past 12 years -- nine times as No. 1. The No. 2 spot isn't a big surprise either: Hillary Clinton.