High Quality Content by WIKIPEDIA articles! In the geometry of curves, an isoptic is the set of points for which two tangents of a given curve meet at a given angle. The orthoptic is the isoptic whose given angle is a right angle. Without an invertible Gauss map, an explicit general form is impossible because of the difficulty knowing which points on the given curve pair up. In geometry, the tangent line (or simply the tangent) to a curve at a given point is the straight line that "just...
High Quality Content by WIKIPEDIA articles! In the geometry of curves, an isoptic is the set of points for which two tangents of a given curve meet at a given angle. The orthoptic is the isoptic whose given angle is a right angle. Without an invertible Gauss map, an explicit general form is impossible because of the difficulty knowing which points on the given curve pair up. In geometry, the tangent line (or simply the tangent) to a curve at a given point is the straight line that "just touches" the curve at that point (in the sense explained more precisely below). As it passes through the point where the tangent line and the curve meet, or the point of tangency, the tangent line is "going in the same direction" as the curve, and in this sense it is the best straight-line approximation to the curve at that point. The same definition applies to space curves and curves in n-dimensional Euclidean space.
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Книга Эдуарда Кочергина — главного художника Академического большого драматического театра им. Г. А. Товстоногова — сразу после первой публикации в 2003 году обратила на себя пристальное внимание критики, стала настоящей сенсацией в литературной жизни и была отмечена Царскосельской художественной премией. Об авторе заговорили как об одном из лучших мастеров современной прозы. В 2010 году Кочергин стал...
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