define arctangent
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arctangent arctangent (plural arctangents) (trigonometry) Any of several single-valued or multivalued functions that are inverses of the tangent function. Symbol: arctan, tan-1.
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- 1 The measure of a central angle is the same as the measure of the intercepted arc. 2  The measure of an inscribed angle is half the measure of the intercepted arc.  A segment connecting two points on a circle is called a chord.
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Apothem Given a circle, the apothem is the perpendicular distance from the midpoint of a chord to the circle 's center. It is also equal to the radius minus the sagitta, For a regular polygon, the apothem simply is the distance from the center to a side, i.e., the inradius of the polygon.SEE ALSO: Chord, Circular Sector, Circular Segment, Inradius, Radius, Regular Polygon, Sagitta CITE THIS AS: Weisstein, Eric W. Apothem.. From MathWorld --A Wolfram Web Resource.or a regular polygon, the apothem simply is the distance from the center to a side, i.e., the inradius of the polygon. SEE ALSO: Chord, Circular Sector, Circular Segment, Inradius, Radius, Regular Polygon, Sagitta CITE THIS AS: Weisstein, Eric W. Apothem.. From MathWorld --A Wolfram Web Resource.
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- Initial disclaimer: This is by no means intended to be a full-blown explanation of trigonometry or its functions. This is just a helpful service to everyone who is coming to arctangent.net presumably seeking help with this particular function. arctangent (atan or tan -1 on some calculators) is used to calculate the angles of a right triangle. It works opposite of the tangent function.
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- The arctangent is the inverse tangent function. Since. tan π/4 = tan 45º = 1. The arctangent of 1 is equal to the inverse tangent function of 1, which is equal to π/4 radians or 45 degrees: arctan 1 = tan-1 1 = π/4 rad = 45º. 1  Arctan.  Arctan calculator.
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- Definition of Minor Arc. Minor Arc is smaller of the two arcs formed when a circle is divided into two unequal parts. 1  The measure of the minor arc is always less than 180° or π radian.
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Attached Resource Computer Network (ARCNET) Definition - What does Attached Resource Computer Network (ARCNET) mean? Attached Resource Computer Network (ARCnet) is a type of LAN protocol that provides network services to 255 nodes at data rates of up to 2.5 Mbps. ARCnet is similar to token ring and Ethernet network services. ARCnet was fast, reliable and cheap, and it allowed different transmission systems to be merged and implemented on same network. ARCnet was the first simple networking based solution that provided for all kinds of transmission regardless of the transmission medium or the type of computer. ARCnet was also the first widely available networking system for microcomputers.
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- Ashtanga yoga literally means eight-limbed yoga, as outlined by the sage Patanjali in the Yoga Sutras. According to Patanjali, the path of internal purification for revealing the Universal Self consists of the following eight spiritual practices:
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- ∠x and ∠y are supplementary. In a circle, inscribed angles that intercept the same arc are congruent. 3. Tangent Chord Angle An angle formed by an intersecting tangent and chord has its vertex on the circle. Tangent Chord Angle = Intercepted Arc. In the diagram at the right, ∠ABC is an angle formed by a tangent and chord with an intercepted minor arc from A to B. m∠ABC = 74º. 4. Angle Formed by Two Intersecting Chords. When two chords intersect inside a circle, four angles are formed.
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arcsin The arctan function is the inverse of the tangent function. It returns the angle whose tangent is a given number. Try this Drag any vertex of the triangle and see how the angle C is calculated using the arctan() function. For every trigonometry function, there is an inverse function that works in reverse.
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arctan Definition and properties of the tangent line to an ellipse. The tangent function in right triangles - Trigonometry. Definition of the tangent function as applied to right triangles in trigonometry. The trigonometry arctan() function - inverse tangent - math word definition. Definition of the arctan function in trigonometry. The inverse of the tangent function. The angle whose tangent is a given number.
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- The term secant is a very frequently used term which is originated from a Latin language word secare, the meaning of which is to cut. Secant is an important concept that is used in the reference of geometry and trigonometry both. Secant is a line that cuts a circle in two points.
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- atan returns the arctangent of x in the range –π/2 to π/2 radians. atan2 returns the arctangent of y/x in the range –π to π radians. If x is 0, atan returns 0.
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- 1 The measure of an inscribed angle is half the measure of the intercepted arc. 2  A segment connecting two points on a circle is called a chord.  A line passing through two points on a circle is called a secant.
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Secants And Tangents home / study / math / geometry definitions / secants and tangents. A secant is a line that intersects the circle in two different points and a tangent is a line that intersects the circle in exactly one point, called the point of tangency. Secant and tangent theorems can be used to find congruency, similarity, and special length relationships between the two.
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NFPA 70E Definitions A component of an arc flash hazard analysis used to predict the incident energy of an arc flash risk assessment for a specified set of conditions. An incident energy analysis is an important part of performing the arc flash hazard analysis for a specific task and item of electrical equipment.
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- How arc-fault conditions can develop. Arcing refers to a “luminous discharge of electricity across an. insulating medium, usually accompanied by the partial volatilization. (burning) of the electrodes.” c The insulating medium can be an. air gap, insulation worn thin by aging, abuse, or a number of other. factors.
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Definitions &Translations An arc or segment of a curve is a part of a curve that is bounded by two distinct end points and contains every point on the curve between its end points. Depending on how the arc is defined, either of the two end points may or may not be part of it.
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Chapter 11 Terms A chord or arc subtends an angle if its endpoints lie on the sides of the angle. Inscribed Angle Theorem The measure of an inscribed angle is half the measure of its intercepted arc.
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- Arc of a Circle. A connected section of the circumference of a circle. Arcs are measured in two ways: as the measure of the central angle, or as the length of the arc itself. Measurement by central angle. (degrees). The red arc (minor arc) measures 120°. The blue arc (major arc) measures 240°.
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Electric arc An electric arc or arc discharge is an electrical breakdown of a gas that produces an ongoing electrical discharge. The current through a normally nonconductive medium such as air produces a plasma; the plasma may produce visible light.
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What is the difference between secant and chord of a circle? secant is a line that intersects the circle in two points. Any line that intersects a given circle at two different points is called a SECANT of that circle and part of secant intercepted between these points is called CHORD of that circle. if you draw a circle, with center O, and draw a segment from one side on the circle to another part of the circle, we call this a chord..
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arc The arc is more accurately defined on a plane, with the coordinates of its points being given as the continuous functions x = φ(t) and y = ψ t of some parameter t, a ≤ t ≤ b. It is assumed that the different points correspond to the different values of t.
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- An arc is a portion of the circumference of a circle. In the figure above, the arc is the blue part of the circle. Strictly speaking, an arc could be a portion of some other curved shape, such as an ellipse, but it almost always refers to a circle. To avoid all possible mistake, it is sometimes called a circular arc. A straight line is drawn between the end points of the arc would be a chord of the circle. If the arc length is exactly half the circle, this called a semicircular arc. See Semicircle definition.
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- Arc – part of the circumference (edge) of the circle. The measure of an arc is equal to the measure of. the central angle formed by its endponts. Arcs are named by their endpoints. The dashed arc to the. right would be called arc AB. or arc BA, the order of. the endpoints does not matter.
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- Secant can be defined in both geometry and trigonometry. Secant is illustrated in following two ways:Geometrical Definition of Secant. In geometry, a secant is a line which intersects a circle at exactly two points. Secant line is a straightly line that passes through the circle and hence cuts it at two points.