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.
She is also the first female chancellor in Germany and is regarded as one of the European Unionâs leading figures. Additionally, Angela Merkel is the first woman to become a leader in Germany since 1871 and the youngest chancellor since the Second World War.ngela Dorothea Merkel is a popular German politician. She is a trained physicist who decided to venture into politics after the fall of the Berlin Wall in 1989. Angela has been the chairwoman of Christian Democratic Union Party since 2000 and she is actually the first woman to ever hold this office.