Найду корень уравнения: tg(pi*x/4)=-1
x1 = -9.0
x2 = -101.0
x3 = 19.0
x4 = -33.0
x5 = -29.0
x6 = -85.0
x7 = 75.0
x8 = 71.0
x9 = -17.0
x10 = 27.0
x11 = -73.0
x12 = 47.0
x13 = -5.0
x14 = -41.0
x15 = 83.0
x16 = 11.0
x17 = -77.0
x18 = 3.0
x19 = 67.0
x20 = 31.0
x21 = -57.0
x22 = 95.0
x23 = -53.0
x24 = -25.0
x25 = -69.0
x26 = 39.0
x27 = -97.0
x28 = 99.0
x29 = -37.0
x30 = 43.0
x31 = -93.0
x32 = 7.0
x33 = 15.0
x34 = -13.0
x35 = -65.0
x36 = -61.0
x37 = 23.0
x38 = 59.0
x39 = -49.0
x40 = 87.0
x41 = 35.0
x42 = 55.0
x43 = 63.0
x44 = 91.0
x45 = -45.0
x46 = -21.0
x47 = 51.0
x48 = -81.0
x49 = -1.0
x50 = -89.0
x51 = 79.0