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.
BERLIN â A rights activist and former Lutheran pastor was overwhelmingly elected as Germany âs 11th postwar president on Sunday, putting former East Germans in the nationâs two highest offices at a time when it is being called on to assume a greater leadership role in Europe.oachim Gauck is applauded by members of the German parliament following his election as Germany's new president on Sunday. Credit Odd Andersen/Agence France-Presse â Getty Images.