Найду корень уравнения: tan(x/4)=1
x1 = -34.5575191894877
x2 = 91.106186954104
x3 = 15.707963267949
x4 = -9.42477796076938
x5 = -21.9911485751286
x6 = 78.5398163397448
x7 = -97.3893722612836
x8 = 65.9734457253857
x9 = 53.4070751110265
x10 = -47.1238898038469
x11 = 28.2743338823081
x12 = -72.2566310325652
x13 = -59.6902604182061
x14 = 40.8407044966673
x15 = 3.14159265358979
x16 = 103.672557568463
x17 = -84.8230016469244