sin(x) = 0
y 1 - y = 1 + - 2
1 - y = y/2 + 1
0
0
0
3.14159265358979
x1 = 9.42477796076938 y1 = 0
x2 = -6.283185307179586 y2 = 0
x3 = -3.141592653589793 y3 = 0
x4 = -9.42477796076938 y4 = 0
x5 = 6.283185307179586 y5 = 0
x6 = 3.141592653589793 y6 = 0
x6 = 3.141592653589793 y6 = 0