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atan2(y, x) returns the angle θ between the positive x-axis and the ray from the origin to the point (x, y), confined to (−π, π].Graph of (,) over /. In computing and mathematics, the function atan2 is the 2-argument arctangent.
In engineering problems, especially in the area of solar energy application, the solar azimuth angle, which can be computed from the x- and y-component of the vector pointing to the Sun using the atan2 function, normally measures from due North (positive y-axis) or due South (negative y-axis), this can be achieved by using atan2(x, y) or atan2 ...
Atan may refer to: Mathematics. arctangent (atan), a trigonometric function atan2, the two-argument function implementing the arctangent in many computer languages;
Note that C99 and C++ do not implement complex numbers in a code-compatible way – the latter instead provides the class std:: complex. All operations on complex numbers are defined in the <complex.h> header. As with the real-valued functions, an f or l suffix denotes the float complex or long double complex variant of the function.
Nguyễn Xuân Bắc (born August 21, 1976), commonly known by his stage name Xuân Bắc, is a Vietnamese actor, comedian and MC.Starting his career in 1995, he soon became known to the public and professionals with his role as Nui in the TV series Waves at the bottom of the river (Vietnamese: Sóng ở đáy sông), and was also one of the main actors in the political comedy shows Weekend ...
Việt Bắc (Northern Vietnam) is a region of Vietnam north of Hanoi that served as the Việt Minh's base of support during the First Indochina War (1946–1954).. Việt Bắc is also called the capital of northernmost Vietnam because this area was the location of the headquarters of the Communist Party of Vietnam at the period before the rising against French domination in 1945, and the ...
Lâm Nhật Tiến (born September 3, 1971) is a Vietnamese American singer who was affiliated with the music label Asia Entertainment Inc. from 1994 to 2016. [1] He gained prominence through numerous appearances in Asia Entertainment's music videos, establishing himself as one of Vietnam's leading male pop stars.
Bắc Ninh is a province of Vietnam, located in the Red River Delta of the northern part of the country. It is the smallest province of Vietnam by area and is situated to the east of the nation's capital, Hanoi, and borders Bắc Giang province, Hưng Yên province, Hải Dương province and Hanoi.