1 C is the vertical offset (height of the baseline). 2  P is the period or wavelength (the length of each cycle). 3  Ï is the angular frequency, and is given by. 4  Ï= 2Ï/ P or P = 2Ï/Ï.
President of Mexico. The President of the United Mexican States (Spanish: Presidente de los Estados Unidos Mexicanos) is the head of state and government of Mexico. Under the Constitution, the president is also the Supreme Commander of the Mexican armed forces. The current President is Enrique PeÃ±a Nieto, who took office on December 1, 2012.
President Enrique PeÃ±a Nieto of Mexico in Mexico City last week. His approval ratings have sunk below 25 percent. Confidence in Mr. PeÃ±a Nieto is so low â approval ratings have sunk below 25 percent â that he appears to be struggling to sell anything to the public, most recently the gas price increase last week.