Home/Calculus II/Polar coordinatesSection 13Polar coordinatesIn this section13.1 Slope13.2 Polar area13.3 Polar arc lengthFormulavizCopy LaTeXx=rcosθ,y=rsinθ.x=r\cos\theta, \qquad y=r\sin\theta.x=rcosθ,y=rsinθ.y=rsinθ.y=r\sin\theta.y=rsinθ.View detail →Also,FormulaCopy LaTeXr2=x2+y2,tanθ=yxr^2=x^2+y^2, \qquad \tan\theta=\frac{y}{x}r2=x2+y2,tanθ=xytanθ=yx\tan\theta=\frac{y}{x}tanθ=xyView detail →with the correct choice of quadrant.
FormulavizCopy LaTeXx=rcosθ,y=rsinθ.x=r\cos\theta, \qquad y=r\sin\theta.x=rcosθ,y=rsinθ.y=rsinθ.y=r\sin\theta.y=rsinθ.View detail →
FormulaCopy LaTeXr2=x2+y2,tanθ=yxr^2=x^2+y^2, \qquad \tan\theta=\frac{y}{x}r2=x2+y2,tanθ=xytanθ=yx\tan\theta=\frac{y}{x}tanθ=xyView detail →