Найду корень уравнения: cost=0
с изменением знака при 0
pi t1 = -- 2
3*pi t2 = ---- 2
сумма
pi 3*pi 0 + -- + ---- 2 2
=
2*pi
произведение
pi 3*pi 1*--*---- 2 2
=
2 3*pi ----- 4
t1 = 64.4026493985908
t2 = -42.4115008234622
t3 = 54.9778714378214
t4 = 70.6858347057703
t5 = 39.2699081698724
t6 = -23.5619449019235
t7 = 76.9690200129499
t8 = 73.8274273593601
t9 = 95.8185759344887
t10 = -83.2522053201295
t11 = 67.5442420521806
t12 = 1.5707963267949
t13 = -45.553093477052
t14 = 98.9601685880785
t15 = -387.986692718339
t16 = 32.9867228626928
t17 = -54.9778714378214
t18 = 89.5353906273091
t19 = -20.4203522483337
t20 = 61.261056745001
t21 = -7.85398163397448
t22 = 86.3937979737193
t23 = -10.9955742875643
t24 = 14.1371669411541
t25 = -80.1106126665397
t26 = -64.4026493985908
t27 = -73.8274273593601
t28 = -26.7035375555132
t29 = -14.1371669411541
t30 = 7.85398163397448
t31 = -92.6769832808989
t32 = 29.845130209103
t33 = -67.5442420521806
t34 = 58.1194640914112
t35 = -48.6946861306418
t36 = -76.9690200129499
t37 = -61.261056745001
t38 = -29.845130209103
t39 = 17.2787595947439
t40 = 48.6946861306418
t41 = 45.553093477052
t42 = 42.4115008234622
t43 = 80.1106126665397
t44 = 83.2522053201295
t45 = 10.9955742875643
t46 = -89.5353906273091
t47 = -2266.65909956504
t48 = -58.1194640914112
t49 = -39.2699081698724
t50 = -86.3937979737193
t51 = 23.5619449019235
t52 = -17.2787595947439
t53 = 36.1283155162826
t54 = 92.6769832808989
t55 = -95.8185759344887
t56 = -70.6858347057703
t57 = 4.71238898038469
t58 = 51.8362787842316
t59 = -168.075206967054
t60 = -98.9601685880785
t61 = -32.9867228626928
t62 = 20.4203522483337
t63 = -4.71238898038469
t64 = -36.1283155162826
t65 = 26.7035375555132
t66 = -51.8362787842316
t67 = -1.5707963267949