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.
German Democratic Republic (East Germany) Socialist East Germany established the office of a head of state with the title of President of the Republic (German: PrÃ¤sident der Republik) in 1949, but abandoned the office with the death of the first president, Wilhelm Pieck, in 1960 in favour of a collective head of state.