What is the rectangular coordinate form of the polar coordinates #(r, pi/6)# ? Precalculus Polar Coordinates Converting Equations from Polar to Rectangular 1 Answer George C. May 3, 2016 #(r, pi/6)# in polar form is #(sqrt(3)/2 r, r/2)# in rectangular form Explanation: #theta = pi/6# only gives you the angle. You need a radius too, but #(r, pi/6)# in polar form is #(sqrt(3)/2r, r/2)# in rectangular form. #pi/6# is one half of an internal angle of an equilateral triangle. Answer link Related questions What is the polar equation of a horizontal line? What is the polar equation for #x^2+y^2=9#? How do I graph a polar equation? How do I find the polar equation for #y = 5#? What is a polar equation? How do I find the polar equation for #x^2+y^2=7y#? How do I convert the polar equation #r=10# to its Cartesian equivalent? How do I convert the polar equation #r=10 sin theta# to its Cartesian equivalent? How do you convert polar equations to rectangular equations? How do you convert #r=6cosθ# into a cartesian equation? See all questions in Converting Equations from Polar to Rectangular Impact of this question 2367 views around the world You can reuse this answer Creative Commons License