How do you convert #(-1, 405^circ)# from polar to cartesian coordinates? Trigonometry The Polar System Polar Coordinates 1 Answer 1s2s2p Apr 26, 2018 #(-sqrt2/2,-sqrt2/2)# Explanation: #(r,theta)->(x,y)=>(rcostheta,rsintheta)# #(r,theta)=(-1,405^circ)# #(x,y)=(-cos(405),-sin(405))=(-sqrt2/2,-sqrt2/2)# Answer link Related questions What are Polar Coordinates? How do you find the polar coordinates of the point? What is the difference between a rectangular coordinate system and a polar coordinate system? How do you graph polar coordinates? What careers use polar coordinates? How do you plot the point #A (5, -255^\circ)# and the point #B (3, 60^\circ)#? What does a polar coordinate system look like? How do you find the distance between 2 polar coordinates? For the given point #A(-4, frac{pi}{4})#, how do you list three different pairs of polar... How do you find the rectangular form of #(4, -pi/2)#? See all questions in Polar Coordinates Impact of this question 1478 views around the world You can reuse this answer Creative Commons License