Дано

$$sin{left (2 x right )} + cos{left (x right )} = 0$$
Ответ

-pi
x1 = —-
2

$$x_{1} = – frac{pi}{2}$$

pi
x2 = —
2

$$x_{2} = frac{pi}{2}$$

/ ___
| I / 3 |
x3 = -I*log|- – – —–|
2 2 /

$$x_{3} = – i log{left (- frac{sqrt{3}}{2} – frac{i}{2} right )}$$

/ ___
|/ 3 I|
x4 = -I*log|—– – -|
2 2/

$$x_{4} = – i log{left (frac{sqrt{3}}{2} – frac{i}{2} right )}$$
Численный ответ

x1 = -69.6386371546000

x2 = -88.4881930761000

x3 = 51.8362787842000

x4 = 100.007366139000

x5 = -78.0162175641000

x6 = -38.2227106187000

x7 = -17.2787595947000

x8 = -15.1843644924000

x9 = 37.1755130675000

x10 = 45.5530934771000

x11 = -89.5353906273000

x12 = 72.7802298082000

x13 = -40.3171057211000

x14 = 28.7979326579000

x15 = -46.6002910282000

x16 = 9.94837673637000

x17 = 62.3082542962000

x18 = 97.9129710369000

x19 = 218.340689424000

x20 = -21.4675497995000

x21 = -29.8451302091000

x22 = -80.1106126665000

x23 = 73.8274273594000

x24 = -58.1194640914000

x25 = 49.7418836818000

x26 = 1.57079632679000

x27 = -95.8185759345000

x28 = 95.8185759345000

x29 = -36.1283155163000

x30 = -64.4026493986000

x31 = 36.1283155163000

x32 = -71.7330322570000

x33 = -14.1371669412000

x34 = 80.1106126665000

x35 = 89.5353906273000

x36 = -94.7713783833000

x37 = 7.85398163397000

x38 = 93.7241808321000

x39 = 5.75958653158000

x40 = 64.4026493986000

x41 = -50.7890812330000

x42 = -73.8274273594000

x43 = -65.4498469498000

x44 = 43.4586983747000

x45 = -63.3554518474000

x46 = -0.523598775598000

x47 = 26.7035375555000

x48 = 86.3937979737000

x49 = 48.6946861306000

x50 = 66.4970445010000

x51 = 22.5147473507000

x52 = -82.2050077689000

x53 = -44.5058959259000

x54 = -45.5530934771000

x55 = -84.2994028713000

x56 = 18.3259571459000

x57 = -27.7507351067000

x58 = -67.5442420522000

x59 = 70.6858347058000

x60 = -59.1666616426000

x61 = -61.2610567450000

x62 = -51.8362787842000

x63 = -34.0339204139000

x64 = 53.9306738866000

x65 = -86.3937979737000

x66 = 56.0250689890000

x67 = -42.4115008235000

x68 = 20.4203522483000

x69 = 87.4409955249000

x70 = 14.1371669412000

x71 = -7.85398163397000

x72 = -1.57079632679000

x73 = -23.5619449019000

x74 = 12.0427718388000

x75 = 60.2138591938000

x76 = 29.8451302091000

x77 = 42.4115008235000

x78 = -31.9395253115000

x79 = -25.6563400043000

x80 = 58.1194640914000

x81 = 16.2315620435000

x82 = -75.9218224618000

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4.81
Pomogashka
13 лет занимаюсь написанием курсовых, контрольных, дипломных работ, рефератов, отчетов по практике. Всегда доводила студентов до защиты. Оценки только положительные. Каждая работа уникальна и грамотно написана.Очень люблю свою работу.