How do you find a polar equation for the circle with rectangular equation #x^2+y^2=25#? Precalculus Polar Equations of Conic Sections Writing Polar Equations for Conic Sections 1 Answer GiĆ³ Feb 13, 2015 You can convert into polar form as: Answer link Related questions How do you identify conic sections? What is the meaning of conic section? What is the standard equation of a circle? What is the standard equation of a parabola? What is the standard equation of a hyperbola? Which conic section has the polar equation #r=1/(1-cosq)#? Which conic section has the polar equation #r=2/(3-cosq)#? Which conic section has the polar equation #r=a sintheta#? What are the polar coordinates of #(x-1)^2-(y+5)^2=-24#? How do you write the polar equations for # x = -3#? See all questions in Writing Polar Equations for Conic Sections Impact of this question 3700 views around the world You can reuse this answer Creative Commons License