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.
The position is similar to that of a Prime Minister. Germany also has a president, but he has very few powers. The current Prime Minister (called Chancellor in Germany) is Angela Merkel and in terms of day to day affairs she is in charge.The Head of State though is the President Horst Koehler kÃ¶hler who would represent the country on formal. occasionshe position is similar to that of a Prime Minister. Germany also has a president, but he has very few powers. The current Prime Minister (called Chancellor in Germany) is Angela Merkel and in terms of day to day affairs she is in charge.