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2 cos (x) + sin(x) + 1 = 0
сумма
/ / ___\\ / / ___\\ / / ___\\ / / ___\\ -pi | |1 I*\/ 3 || | |1 I*\/ 3 || | |1 I*\/ 3 || | |1 I*\/ 3 || ---- + 2*re|atan|- - -------|| + 2*I*im|atan|- - -------|| + 2*re|atan|- + -------|| + 2*I*im|atan|- + -------|| 2 \ \2 2 // \ \2 2 // \ \2 2 // \ \2 2 //
=
/ / ___\\ / / ___\\ / / ___\\ / / ___\\ | |1 I*\/ 3 || | |1 I*\/ 3 || pi | |1 I*\/ 3 || | |1 I*\/ 3 || 2*re|atan|- + -------|| + 2*re|atan|- - -------|| - -- + 2*I*im|atan|- + -------|| + 2*I*im|atan|- - -------|| \ \2 2 // \ \2 2 // 2 \ \2 2 // \ \2 2 //
произведение
/ / ___\\ / / ___\\ / / ___\\ / / ___\\ -pi | |1 I*\/ 3 || | |1 I*\/ 3 || | |1 I*\/ 3 || | |1 I*\/ 3 || ---- * 2*re|atan|- - -------|| + 2*I*im|atan|- - -------|| * 2*re|atan|- + -------|| + 2*I*im|atan|- + -------|| 2 \ \2 2 // \ \2 2 // \ \2 2 // \ \2 2 //
=
/ / / ___\\ / / ___\\\ / / / ___\\ / / ___\\\ | | |1 I*\/ 3 || | |1 I*\/ 3 ||| | | |1 I*\/ 3 || | |1 I*\/ 3 ||| -2*pi*|I*im|atan|- + -------|| + re|atan|- + -------|||*|I*im|atan|- - -------|| + re|atan|- - -------||| \ \ \2 2 // \ \2 2 /// \ \ \2 2 // \ \2 2 ///
-pi x_1 = ---- 2
/ / ___\\ / / ___\\ | |1 I*\/ 3 || | |1 I*\/ 3 || x_2 = 2*re|atan|- - -------|| + 2*I*im|atan|- - -------|| \ \2 2 // \ \2 2 //
/ / ___\\ / / ___\\ | |1 I*\/ 3 || | |1 I*\/ 3 || x_3 = 2*re|atan|- + -------|| + 2*I*im|atan|- + -------|| \ \2 2 // \ \2 2 //
x1 = 193.207948237308
x2 = -102.101761883247
x3 = 61.2610564670687
x4 = -20.4203521614409
x5 = -70.6858344139979
x6 = 73.8274274807538
x7 = 17.2787598912651
x8 = 4.71238900072427
x9 = -7.85398149791991
x10 = 10.9955739984145
x11 = -95.8185758681024
x12 = 42.4115014315384
x13 = 86.393797887839
x14 = 1858.252054715
x15 = 23.5619451331326
x16 = -83.2522052322402
x17 = -51.8362786896082
x18 = -70.6858349653034
x19 = 42.4115007285955
x20 = -64.4026491794358
x21 = -7824.136503369
x22 = -14.1371668385321
x23 = 67.5442420465931
x24 = 92.6769832132472
x25 = -39.2699081135452
x26 = -26.7035378220867
x27 = -32.9867231539387
x28 = 48.6946859158554
x29 = 54.9778717146949
x30 = 73.8274268696112
x31 = 48.6946861099035
x32 = -58.1194639987802
x33 = 48.6946862428019
x34 = -89.5353911652882
x35 = 54.9778711510713
x36 = 36.1283156889147
x37 = -64.402649255422
x38 = -89.5353907479368
x39 = -83.2522055525629
x40 = -1.57079643043874
x41 = -20.4203520230544
x42 = 61.2610570434674
x43 = -26.7035372612266
x44 = 67.5442422891227
x45 = 23.5619449395086
x46 = -76.969020305975
x47 = 17.2787593220659
x48 = 10.9955745697675
x49 = 92.6769830723585
x50 = 98.9601683040195
x51 = -32.9867225758835
x52 = 29.8451303212917
x53 = -39.2699083966096
x54 = 80.1106131412134
x55 = -76.9690197221984
x56 = -45.5530935892791
x57 = 4.7123887595313
x58 = 98.9601688588295
x58 = 98.9601688588295