Найду корень уравнения: tan(x/3)=1
x1 = -101.316363078271
x2 = 77.7544181763474
x3 = 40.0553063332699
x4 = 30.6305283725005
x5 = -35.3429173528852
x6 = 21.2057504117311
x7 = -54.1924732744239
x8 = 87.1791961371168
x9 = -16.4933614313464
x10 = 96.6039740978861
x11 = 2.35619449019234
x12 = -91.8915851175014
x13 = -7.06858347057703
x14 = 106.028752058656
x15 = 58.9048622548086
x16 = 11.7809724509617
x17 = -63.6172512351933
x18 = -25.9181393921158
x19 = -73.0420291959627
x20 = -44.7676953136546
x21 = -82.4668071567321
x22 = 68.329640215578
x23 = 49.4800842940392