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Signs of trigonometric functions in each quadrant. All Students Take Calculus is a mnemonic for the sign of each trigonometric functions in each quadrant of the plane. The letters ASTC signify which of the trigonometric functions are positive, starting in the top right 1st quadrant and moving counterclockwise through quadrants 2 to 4.
The other four trigonometric functions (tan, cot, sec, csc) can be defined as quotients and reciprocals of sin and cos, except where zero occurs in the denominator. It can be proved, for real arguments, that these definitions coincide with elementary geometric definitions if the argument is regarded as an angle in radians. [ 5 ]
The HP 48 is a series of graphing calculators designed and produced by Hewlett-Packard from 1990 until 2003. [1] The series includes the HP 48S, HP 48SX, HP 48G, HP 48GX, and HP 48G+, the G models being expanded and improved versions of the S models.
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This article about a location in Đồng Nai Province, Vietnam is a stub. You can help Wikipedia by expanding it.
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Tân Lạc is divided into 16 commune-level sub-divisions, including the township of Lương Sơn and 10 rural communes (Đông Lai, Gia Mô, Lỗ Sơn, Mỹ Hòa, Ngổ Luông, Ngọc Mỹ, Nhân Mỹ, Phong Phú, Phú Cường, Phú Vinh, Quyết Chiến, Suối Hoa, Thanh Hối, Tử Nê, Vân Sơn).
As most definitions of color difference are distances within a color space, the standard means of determining distances is the Euclidean distance.If one presently has an RGB (red, green, blue) tuple and wishes to find the color difference, computationally one of the easiest is to consider R, G, B linear dimensions defining the color space.