Subjects/Calculus II/Polar arc length/Formula13.3. Polar arc lengthFormulaIn 13.3. Polar arc lengthFormulaCopy LaTeXL=∫αβr(θ)2+[r′(θ)]2dθ.VariablesαConstant real (coeficiente)βConstant real (coeficiente)θÁngulo o parámetro angularrRadio o coordenada polar