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If two points A and A^' are inverse (sometimes called conjugate) with respect to a circle (the inversion circle), then the straight line through A^' which is perpendicular to ...

There are two different definitions of the

**polar**angle. In the plane, the**polar**angle theta is the counterclockwise angle from the x-axis at which a point in the xy-plane ...A plot of a function expressed in

**polar**coordinates, with radius r as a function of angle theta.**Polar**plots can be drawn in the Wolfram Language using PolarPlot[r, {t, tmin, ...There are two different definitions of "

**polar**vector." In elementary math, the term "**polar**vector" is used to refer to a representation of a vector as a vector magnitude ...The

**polar**coordinates r (the radial**coordinate**) and theta (the angular**coordinate**, often called the**polar**angle) are defined in terms of Cartesian coordinates by x = ...A triangle that is equal to its

**polar**triangle with respect to a given conic is said to be self-**polar**with respect to that conic. Any triangle is self-**polar**with respect to ...The

**polar**sine is a function of a vertex angle of an n-dimensional parallelotope or simplex. If the content of the parallelotope is P and the lengths of the n edges of the ...Every bounded operator T acting on a Hilbert space H has a decomposition T=U|T|, where |T|=(T^*T)^(1/2) and U is a partial isometry. This decomposition is called

**polar**...A

**polar**zonohedron is a convex zonohedron derived from the star which joins opposite vertices of any right n-gonal prism (for n even) or antiprism (for n odd). The faces of ...Given a triangle center X=l:m:n, the line mnalpha+nlbeta+lmgamma=0, where alpha:beta:gamma are trilinear coordinates, is called the trilinear

**polar**(Kimberling 1998, p. 38). ......