system of locating points in a plane with reference to a fixed point (origin) and an axis through that point. The coordinates are written (r,), in ... [4 related articles]
Found on
http://www.britannica.com/eb/a-z/p/86
A coordinate system in which distances are measured from a fixed reference point (the pole) and angles from a fixed reference line. A polar equation is one that uses polar coordinates.
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http://www.daviddarling.info/encyclopedia/P/polar_coordinates.html
The position of a point is defined as the distance from the origin, r and an angle relative to the X axis, ?.The transformation from polar to rectangular coordinates is:The transformation from rectangular to polar coordinates is:
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https://www.encyclo.co.uk/local/20687
In mathematics, a way of defining the position of a point in terms of its distance
r from a fixed point (the origin) and its angle θ to a fixed line or axis. The coordinates of the point are (
r,θ). Often the angle is measured in radians, rather than degrees. The system is useful for defining positions...
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https://www.encyclo.co.uk/local/21221
a two-dimensional coordinate system in which each point on a plane is determined by its distance r from a fixed point (e.g. the origin) and its angle θ (theta) from a fixed direction (e.g the x axis)
Found on
https://www.storyofmathematics.com/glossary.html
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