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Log-polar coordinatesCartesian coordinate systemCoordinate systemDistance from a point to a planeSpherical coordinate systemElliptic coordinate systemTangential angleRotation of axesComplex planeToroidal coordinatesAngle of rotationBarycentric coordinate systemEllipseTwo-dimensional euclidean spaceAtan2Perpendicular distanceProjected coordinate systemAngleDirection cosineGraph of a functionEuclidean vectorSubtended angleTranslation of axesRigid transformationParabolic coordinatesOrthogonal coordinatesCylindrical coordinate systemEuclidean plane isometryTrigonometric functionsAnalytic geometryCurvilinear coordinatesLocal tangent plane coordinatesRadial functionPolar circleCartesian ovalPole and polarEllipsoidal coordinatesEuclidean groupPrincipal axis theoremOrientationCentroidCenter of curvatureSemi-major and semi-minor axesMultipole expansionCross productFrame of referenceEuclidean distanceSpatial reference systemDistance matrixPoint reflectionTangential and normal componentsPlane curvePositionComplex coordinate spaceTriangulationParallel projectionRadianOrthogonal groupOrthodiagonal quadrilateralAltitudeAxial ratioConic sectionPolarizationConfigurationAngular displacementLinear polarizationEuclidean distance matrixPythagorean additionMeridianLinear functionTangential quadrilateralAngle bisector theoremHyperbolaMetricCoordinate vectorAntipodal pointCanonical coordinatesQuadrantGeodetic coordinatesCurve orientationEuclidean topologyShear mappingNon-euclidean geometryTangent spaceComplex projective planeCross-ratioInteger latticeTangent vectorMatrixOrthogonal trajectoryMetric tensorConfiguration spaceTrilinear coordinatesDecimal degreesCircular polarizationAngular distanceOrthogonal diagonalizationPtolemy's inequalitySolid of revolutionGeodetic datum