How do you convert the polar coordinate #(-2,(7pi)/8)# into rectangular coordinates? Trigonometry The Polar System Polar Coordinates 1 Answer 1s2s2p Apr 27, 2018 #(1.84,-0.77)# Explanation: Given #(r,theta)#, #(x,y)# can be found by doing #(rcostheta,rsintheta)# #r=-2# #theta=(7pi)/8# #(x,y)->(-2cos((7pi)/8),-2sin((7pi)/8)~~(1.84,-0.77)# 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 2539 views around the world You can reuse this answer Creative Commons License