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.
His main responsibilities and actions are, however, mostly representative and ceremonial. The President of Germany is not directly involved in making laws or political decisions which stir the country in one direction or the other.His role in German politics is rather that of a watcher or public conscience.ppointment and dismissal of the government. After elections the President of Germany suggests the Chancellor and appoints the various other members of the government.