r = vx 2 + yz 8 Tan " ( 4/ x ) 2) Find the polar coordinates for each of the given rectangular coordinates. a) (-2,-5) b ) (-V3.1) Q Z Q3 1= 129 - 5.4 5 = 2 0 = Tan -' ( = )= 68 0 =-310 0 = 180 0 + 68 . = 248 C) (3,-3) d) (-5.0 ) e) (0, 5) What happens when x is 0? 3) Convert the rectangular equations to polar equations: a ) x = 4 b ) x + y = 2 c) x 2 + y2 = 9 4) Convert the polar equations to rectangular equations: a) r = 5csco b) r = 3seco Converting Complex Numbers: " Write the complex number as a rectangular coordinate and then convert to polar 5) Write the complex number -4 + 2i in polar form. vi