BROWSE ALPHABETICALLY LEVEL:    Elementary    Advanced    Both INCLUDE TOPICS:    Basic Math    Algebra    Analysis    Biography    Calculus    Comp Sci    Discrete    Economics    Foundations    Geometry    Graph Thry    History    Number Thry    Phys Sci    Statistics    Topology    Trigonometry secant – trigonometry secant   Geometry: A line connecting two points on a curve.Trigonometry: A periodic trigonometric function defined on angles, usually abbreviated “sec.” It is the multiplicative inverse of the cosine function.See the related article for a complete exposition. Related article: Trig Functions and Identities sin   See sine. sine    ARTICLE   A periodic trigonometric function defined on angles. Usually abbreviated “sin.”See the article for a complete exposition.Cf. tangent, cosine. tan   See tangent. tangent   Geometry: A tangent to a curve at a point P is the straight line through P whose slope is equal to the slope of the curve at P.Trigonometry: A periodic trigonometric function defined on angles, usually abbreviated “tan.” Can be defined independently or in terms of the trig functions sine and cosine.See the related article for a complete exposition. Related article: Trig Functions and Identities trigonometric function   The “trig” functions are transcendental functions defined on angles. They include the sine, cosine, tangent, secant, cosecant, and cotangent functions. See the related article for a complete description. Related article: Trig Functions and Identities trigonometric identity    ARTICLE   An established rule for manipulating trigonometric expressions. See the article for a comprehensive listing. trigonometry   The mathematical subject concerned with trigonometric functions, which are defined on angles. They include the sine, cosine, tangent, secant, cosecant, and cotangent functions. Related article: Trig Functions and Identities secant – trigonometry
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