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1. ### www.math.net › rotationRotation - Math

While a geometric figure can be rotated around any point at any angle, we will only discuss rotating a geometric figure around the origin at common angles. 90° rotation. A rotation of 90° counterclockwise around the origin changes the position of a point (x, y) such that it becomes (-y, x).

2. ### www.math.net › cosineCosine - Math

Unit circle definition. Trigonometric functions can also be defined as coordinate values on a unit circle. A unit circle is a circle of radius 1 centered at the origin. The right triangle definition of trigonometric functions allows for angles between 0° and 90° (0 and in radians). Using the unit circle definitions allows us to extend the ...

3. ### www.thoughtco.com › what-is-gaelic-4689031What Is Gaelic? Definition, History, and Modern Usage - ThoughtCo

Jun 30, 2019 · Definition and Origins The term “Gaelic” takes its name from the Gaels, a group of settlers that arrived in Scotland from Ireland around the 6 th century, though both Irish and Scottish Gaelic began to develop prior to the settlement of the Gaels in Scotland.

4. ### www.kristakingmath.com › blog › linear-subspacesDefinition of a linear subspace, with ... - Krista King Math

Sep 25, 2021 · A subspace (or linear subspace) of R^2 is a set of two-dimensional vectors within R^2, where the set meets three specific conditions: 1) The set includes the zero vector, 2) The set is closed under scalar multiplication, and 3) The set is closed under addition.

5. ### www.omnicalculator.com › math › octagonOctagon Calculator | Shape | Definition

Apr 12, 2022 · The standard definition of an octagon is something along the lines of, "An octagon is a polygon with 8 sides delimiting a closed area." Anyone with a basic understanding of Greek should be able to comfortably answer the question how many sides does an octagon have without any notions of mathematics.

6. ### www.dictionary.com › browse › scarScar Definition & Meaning | Dictionary.com

Scar definition, a mark left by a healed wound, sore, or burn. See more.

7. ### www.omnicalculator.com › math › coterminal-angleCoterminal Angles Calculator | Definition | Formulas

Mar 11, 2022 · Coterminal angles definition Coterminal angles are those angles that share the terminal side of an angle occupying the standard position . The standard position means that one side of the angle is fixed along the positive x-axis, and the vertex is located at the origin.

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