Найду корень уравнения: 3*sin(x/3)=0
с изменением знака при 0
Разделим обе части ур-ния на 3
x1 = 904.77868423386
x2 = 75.398223686155
x3 = 9.42477796076938
x4 = 160.221225333079
x5 = -65.9734457253857
x6 = -9.42477796076938
x7 = 113.097335529233
x8 = 65.9734457253857
x9 = 28.2743338823081
x10 = 37.6991118430775
x11 = -18.8495559215388
x12 = -84.8230016469244
x13 = -47.1238898038469
x14 = -28.2743338823081
x15 = -94.2477796076938
x16 = 84.8230016469244
x17 = -37.6991118430775
x18 = -56.5486677646163
x19 = 94.2477796076938
x20 = 0.0
x21 = -113.097335529233
x22 = 25786.192500665
x23 = 18.8495559215388
x24 = 56.5486677646163
x25 = 103.672557568463
x26 = 47.1238898038469
x27 = -75.398223686155
x28 = -103.672557568463