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.
President of the Weimar Republic Hindenburg dies. On this day in 1934, Paul von Hindenburg, president of the Weimar Republic of Germany, dies, opening the door for the tyranny of Adolf Hitler, whom he had appointed chancellor in 1933. Hindenburgâs life was one immersed in the Prussian military tradition.