Найду корень уравнения: x/20+tan(x)=0
x1 = -67.8309679352000
x2 = -18.1136112378000
x3 = 74.0910814265000
x4 = 36.6281047082000
x5 = -2.99304292271000
x6 = -89.7546383983000
x7 = -12.0250313519000
x8 = 24.2515599968000
x9 = 77.2224437250000
x10 = 96.0239215819000
x11 = 39.7362076869000
x12 = -58.4491533926000
x13 = -74.0910814265000
x14 = -64.7024404770000
x15 = 80.3545528592000
x16 = -30.4266333059000
x17 = -49.0816279192000
x18 = -61.5751136618000
x19 = -33.5246212545000
x20 = 52.2021544734000
x21 = -21.1771702611000
x22 = 92.8890563148000
x23 = 9.00184722942000
x24 = -27.3351957204000
x25 = -36.6281047082000
x26 = -39.7362076869000
x27 = 33.5246212545000
x28 = 27.3351957204000
x29 = -9.00184722942000
x30 = 67.8309679352000
x31 = 45.9635110663000
x32 = 12.0250313519000
x33 = 5.99209133497000
x34 = 30.4266333059000
x35 = -52.2021544734000
x36 = -15.0624662346000
x37 = 18.1136112378000
x38 = -5.99209133497000
x39 = -45.9635110663000
x40 = 21.1771702611000
x41 = 15.0624662346000
x42 = 64.7024404770000
x43 = -96.0239215819000
x44 = 0.0
x45 = 58.4491533926000
x46 = 2.99304292271000
x47 = -24.2515599968000