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.
Konrad Hermann Josef Adenauer (January 5, 1876 â April 19, 1967) was a German statesman. Although his political career spanned 60 years, beginning as early as 1906, he is most noted for his role as Chancellor of West Germany from 1949-1963 and chairman of the Christian Democratic Union from 1950 to 1966. He was the oldest person to be chancellor after the Second World War.