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tangent
(redirected from tangencies)

    Also found in: Dictionary/thesaurus, Idioms, Wikipedia 0.06 sec.
tangent, in mathematics.

1 In geometry, the tangent to a circle circle, closed plane curve consisting of all points at a given distance from some fixed point, called the center. A circle is a conic section cut by a plane perpendicular to the axis of the cone.
..... Click the link for more information.  or sphere is a straight line that intersects the circle or sphere in one and only one point. For other curves and surfaces the tangent line at a given point P is defined as the limiting position, if such a limit limit, in mathematics, value approached by a sequence or a function as the index or independent variable approaches some value, possibly infinity. For example, the terms of the sequence 1-2, 1-4, 1-8, 1-16, … are obviously getting smaller and smaller; since,
..... Click the link for more information.  exists, of a secant line through P and another point P′ on the curve or surface as P′ is allowed to approach P. The tangent plane to a surface at a point is the plane in which every line in the plane that passes through the point is a tangent line to the surface at that point. The study of tangent lines and planes usually requires the concepts of the calculus calculus, branch of mathematics that studies continuously changing quantities. The calculus is characterized by the use of infinite processes, involving passage to a limit —the notion of tending toward, or approaching, an ultimate value.
..... Click the link for more information.  and is included within the scope of differential geometry r moves along a curve at arc length s from some fixed point, then t = dr/ds is a unit tangent vector to the curve at r. The normal vector n
..... Click the link for more information. .

2 A trigonometric function. See trigonometry trigonometry [Gr.,=measurement of triangles], a specialized area of geometry concerned with the properties of and relations among the parts of a triangle. Spherical trigonometry is concerned with the study of triangles on the surface of a sphere rather than in the
..... Click the link for more information. .



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In the second design, Molly boxed problems and broke the text into sections like every ugly math book does, but she used a bold (Franklin Gothic) type clustered in funny tangencies (shifting blocks of copy) to enhance the frantic feel of the illustration.
Design matters by Scieszka, Jon / The Horn Book Magazine
The animation fixer takes it a step further with suggested fixes or "most likely resolution" mode, an option that enables the system to tweak the data in a way that maintains tangencies and provides smoother character motions.
Discreet Announces character studio 4 -- Revolutionary Advancements ... by Business Wire
Second, specify parametric constraints, such as ratios between different lengths, tangencies, etc.
New Technology for "Smart-Parts" data publishing via Internet -- ... by Business Wire
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