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$$sin{left (x right )} = – frac{1}{4}$$
– это простейшее тригонометрическое ур-ние
Это ур-ние преобразуется в
$$x = 2 pi n + {asin}{left (- frac{1}{4} right )}$$
$$x = 2 pi n – {asin}{left (- frac{1}{4} right )} + pi$$
Или
$$x = 2 pi n – {asin}{left (frac{1}{4} right )}$$
$$x = 2 pi n + {asin}{left (frac{1}{4} right )} + pi$$
, где n – любое целое число
x2 = -asin(1/4)
x1 = -46.8712095487000
x2 = -94.5004598628000
x3 = 68.8623581238000
x4 = 37.4464315879000
x5 = -25.3854214839000
x6 = -81.9340892485000
x7 = 100.278284660000
x8 = -63.0845333269000
x9 = 91.3588672092000
x10 = 28.5270141375000
x11 = -31.6686067910000
x12 = -100.783645170000
x13 = 31.1632462808000
x14 = -56.8013480198000
x15 = -0.252680255142000
x16 = -75.6509039413000
x17 = -28.0216536272000
x18 = 22.2438288303000
x19 = -90.8535066990000
x20 = 56.2959875095000
x21 = -19.1022361767000
x22 = 53.6597553662000
x23 = 75.1455434310000
x24 = -78.2871360846000
x25 = -37.9517920982000
x26 = 3.39427290873000
x27 = 85.0756819021000
x28 = -9.17209770563000
x29 = 97.6420525164000
x30 = 66.2261259805000
x31 = 50.0128022023000
x32 = 12.3136903592000
x33 = -6.53586556232000
x34 = -59.4375801631000
x35 = 15.9606435231000
x36 = -65.7207654702000
x37 = 190160.350642000
x38 = -15.4552830128000
x39 = -84.5703213918000
x40 = 18.5968756664000
x41 = 34.8101994446000
x42 = -21.7384683200000
x43 = -270.429648464000
x44 = 41.0933847518000
x45 = 59.9429406733000
x46 = 47.3765700590000
x47 = -50.5181627126000
x48 = -44.2349774054000
x49 = -97.1366920061000
x50 = -2.88891239845000
x51 = 87.7119140454000
x52 = 43.7296168951000
x53 = 6.03050505204000
x54 = -72.0039507774000
x55 = 72.5093112877000
x56 = -69.3677186341000
x57 = -88.2172745557000
x58 = -34.3048389343000
x59 = -53.1543948559000
x60 = 62.5791728167000
x61 = 9.67745821591000
x62 = 93.9950993526000
x63 = 78.7924965949000
x64 = 81.4287287382000
x65 = 24.8800609736000
x66 = -12.8190508695000
x67 = -40.5880242415000
