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日期:2024-07-14
In geometry, the tangent line (or simply tangent) to a plane curve at a given point is the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve.[1] More precisely,...
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日期:2024-07-21
An interactive turorial on the graph of the general tangent function and its properties such as period, phase shift and asymptotes. ... The tangent function f(x) = a*tan(bx+c)+d and its properties such as graph, period, phase shift and asymptotes are expl...
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日期:2024-07-17
In mathematics, the trigonometric functions (also called the circular functions) are functions of an angle. They relate the angles of a triangle to the lengths of its sides. Trigonometric functions are important in the study of triangles and modeling peri...
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日期:2024-07-20
Inverse Tangent tan-1 Tan-1 arctan Arctan The inverse function of tangent. Basic idea: To find tan-1 1, we ask "what angle has tangent equal to 1?" The answer is 45 . As a result we say that tan-1 1 = 45 . In radians this is tan-1 1 = π/4....
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日期:2024-07-18
The tangent function is defined by tanx=(sinx)/(cosx), (1) where sinx is the sine function and cosx is the cosine function. The notation tgx is sometimes also used (Gradshteyn and Ryzhik 2000, p. xxix). The common schoolbook definition of the tangent of a...
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日期:2024-07-18
正切(Tangent,tan,也作tg)是三角函數的一種。它的值域是整個實數集,定義域是整個{x|x≠kπ+π/2,k∈Z} ......
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日期:2024-07-21
反正切(arctangent、arctan、arctg、tan-1)是一種反三角函數,是利用已知直角三角形的對邊和鄰邊這兩條 ......