1. What is the corresponding rectangular form of the complex number 7T 7T =2( (l ' ' H)? z cos 2 + 2 sm 2 O -2i+2 0 -2i 0 2i+2 2. What is the corresponding rectangular of the polar form of the complex number 2: : 10(cos 180+isin 180)? 010 O -10 O 20 O -20 3. What is the corresponding rectangular form of the complex number _1 Law +.. 7;\" .,, Z2 COS 4 35111 4 . 4. What is the corresponding rectangular form of the complex number 1 cos 5\" +'s' 5W 7 z2 3 2m 3 . 1. What is a gure with polar coordinates r=6 sect??? O The horizontal line y=6 O The horizontal line y=3 O The vertical line x=6 O The vertical line x=3