Найду корень уравнения: tg(3/5х)=0
с изменением знака при 0
x1 = -20.943951023932
x2 = 57.5958653158129
x3 = 83.7758040957278
x4 = -73.3038285837618
x5 = -5.23598775598299
x6 = -78.5398163397448
x7 = -41.8879020478639
x8 = -89.0117918517108
x9 = 52.3598775598299
x10 = -83.7758040957278
x11 = -94.2477796076938
x12 = 5.23598775598299
x13 = 78.5398163397448
x14 = 20.943951023932
x15 = -68.0678408277789
x16 = 73.3038285837618
x17 = -52.3598775598299
x18 = -62.8318530717959
x19 = -31.4159265358979
x20 = 0.0
x21 = 62.8318530717959
x22 = 99.4837673636768
x23 = 41.8879020478639
x24 = 10.471975511966
x25 = 89.0117918517108
x26 = -10.471975511966
x27 = 68.0678408277789
x28 = -99.4837673636768
x29 = 36.6519142918809
x30 = 94.2477796076938
x31 = -36.6519142918809
x32 = -57.5958653158129
x33 = 47.1238898038469
x34 = 26.1799387799149
x35 = 15.707963267949
x36 = 31.4159265358979
x37 = -15.707963267949
x38 = -47.1238898038469
x39 = -26.1799387799149