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.
Porfirio DÃ­az, (born Sept. 15, 1830, Oaxaca, Mex.âdied July 2, 1915, Paris, France), soldier and president of Mexico (1877â80, 1884â1911), who established a strong centralized state that he held under firm control for more than three decades. 1  A mestizo (part Indian), DÃ­az was of humble origin.