Subjects/Calculus II/Polar coordinatesSection 13Polar coordinatesIn this section13.1 Slope13.2 Polar area13.3 Polar arc lengthFormulaCopy LaTeXx=rcosθ,y=rsinθ.y=rsinθ.View detail →Also,FormulaCopy LaTeXr2=x2+y2,tanθ=xytanθ=xyView detail →with the correct choice of quadrant.