Section+9.6

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8. (3, -pi/6) (-3, 5pi/6) (3, -5pi/6) Worked by Matt Harry Checked by Scott Trostle

10. (5√2,-11pi/6) (5√2, pi/6) (-5√2, 7pi/6) (-5√2, -5pi/6) worked by Nolan Blair

16. x = -3cos4pi/3 = 3/2 y = -3sin4pi/3 = 3root3/2 (3/2, 3root3/2) Worked by emily othold checked by becca little

30. tan (theta)= y/x tan(theta)=-1/sq3 = -sq3/3 y= rsin(theta) r=ysin(theta) r^2=-rsin(theta) r^2=-rsin(theta) x^2 + Y^2=-y (-sq3,1) (11pi/6, -1) Worked by Eva Hogan checked by cymphoni

28. (-3, -3) tan theta= (y/x) tan theta= (-3/-3) tan theta=1 theta= (5pi/4) r^2=x^2+y^2 r=3root2 (3root2, 5pi/4) Worked by Jake Duffy

20. (-3, -1.57) x= -.02 y= 3 22. (-2, 7pi/6) x= 2sq.root3/2 y= 1 Worked by Rachel Pearce

44. r=a/sec(theta) 46. 1/2=cossin worked by olivia mohle

48. and 52. - not here that I was supposed to check - John Karna

Mine is not here that i was supposed to check- Mary Catherine

62. r²=100 64. r= 2secΘ r=2/cosΘ rcosΘ=2 worked by Elizabeth Han
 * x²+y²=100**
 * x=2**
 * 1) 74 and 76 checked correct by Layne Miller

58. x= 1/2 60. x = root 3/3 worked by clint patterson