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.
Hitler Runs for President. Just three weeks after the suicide of his beloved niece, Adolf Hitler met the 84-year-old President of Germany, Paul von Hindenburg, for the first time. Hitler pulled himself out of the severe depression he fell into after her death.