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In computing and mathematics, the function atan2 is the 2-argument arctangent. By definition, θ = atan2 ( y , x ) {\displaystyle \theta =\operatorname {atan2} (y,x)} is the angle measure (in radians , with − π < θ ≤ π {\displaystyle -\pi <\theta \leq \pi } ) between the positive x {\displaystyle x} -axis and the ray from the origin ...
The postal code system of Vietnam has officially been changed from 6 digits to 5 digits. Each country has its own separate postal code or zip code system. The postal code of Vietnam is composed of 5 digits, with the following meanings: [2] [3] The first digit determines the area code.
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 ...
The town covers an area of 390.34 km 2. The town seat lies at Hưng Long ward. [1] Chơn Thành was formerly a rural district of Bình Phước province. It gained town status on August 11, 2022. [2] The stream Ông Thành was the location of the Battle of Ông Thành in the Vietnam War.
(Nam Bộ, Miền Nam) Southeast (Đông Nam Bộ, Miền Đông) Bà Rịa–Vũng Tàu; Bình Dương; Bình Phước; Đồng Nai; Ho Chi Minh City † Tây Ninh; 23,590.7 18,739,000 683.65 Contains those parts of lowland southern Vietnam which are north of the Mekong delta. Two provinces border Cambodia. Mekong River Delta
Socialist Republic of Vietnam Cộng hòa Xã hội chủ nghĩa Việt Nam (Vietnamese) Flag Emblem Motto: Độc lập – Tự do – Hạnh phúc "Independence – Freedom – Happiness" Anthem: Tiến Quân Ca "The Song of the Marching Troops" Show globe Show ASEAN Location of Vietnam (green) in ASEAN (dark grey) Capital Hanoi 21°2′N 105°51′E / 21.033°N 105.850°E / 21. ...
Dâu Pagoda. Kinh Dương Vương is the first king of the Vietnamese people, and was the father of Lạc Long Quân.; Đông Hồ painting is a genre of Vietnamese woodcut paintings originating from Đông Hồ village (làng Đông Hồ).
On November 17, 2007, three Việt Tân members, US citizens Nguyen Quoc Quan, a mathematics researcher, and Truong Van Ba, a Hawaiian restaurant owner, and Frenchwoman Nguyen Thi Thanh Van, a contributor to Việt Tân's Radio Chan Troi Moi radio show, were arrested in Ho Chi Minh City. [13] when 20 security officers raided the house. [14]