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$$cos{left (x right )} = frac{sqrt{3}}{2}$$
– это простейшее тригонометрическое ур-ние
Это ур-ние преобразуется в
$$x = pi n + {acos}{left (frac{sqrt{3}}{2} right )}$$
$$x = pi n – pi + {acos}{left (frac{sqrt{3}}{2} right )}$$
Или
$$x = pi n + frac{pi}{6}$$
$$x = pi n – frac{5 pi}{6}$$
, где n – любое целое число
pi
x1 = —
6
11*pi
x2 = —–
6
x1 = 93.7241808321000
x2 = -81.1578102177000
x3 = -30.8923277603000
x4 = 44.5058959259000
x5 = 100.007366139000
x6 = -49.7418836818000
x7 = 37.1755130675000
x8 = -37.1755130675000
x9 = 69.6386371546000
x10 = 88.4881930761000
x11 = 6.80678408278000
x12 = -93.7241808321000
x13 = 1186.99842428000
x14 = -88.4881930761000
x15 = -69.6386371546000
x16 = 62.3082542962000
x17 = 38.2227106187000
x18 = -100.007366139000
x19 = 22832.5718075000
x20 = 49.7418836818000
x21 = -38.2227106187000
x22 = -62.3082542962000
x23 = -43.4586983747000
x24 = -12779.4753160000
x25 = 94.7713783833000
x26 = 194.255145747000
x27 = 81.1578102177000
x28 = -63.3554518474000
x29 = -44.5058959259000
x30 = -87.4409955249000
x31 = -74.8746249106000
x32 = 68.5914396034000
x33 = -7495.31647269000
x34 = 63.3554518474000
x35 = 5.75958653158000
x36 = 50.7890812330000
x37 = -68.5914396034000
x38 = -50.7890812330000
x39 = -12.0427718388000
x40 = -94.7713783833000
x41 = 43.4586983747000
x42 = -0.523598775598000
x43 = 13.0899693900000
x44 = 31.9395253115000
x45 = -56.0250689890000
x46 = -18.3259571459000
x47 = -5.75958653158000
x48 = 75.9218224618000
x49 = -82.2050077689000
x50 = -24.6091424531000
x51 = 57.0722665402000
x52 = 25.6563400043000
x53 = 18.3259571459000
x54 = -57.0722665402000
x55 = -13.0899693900000
x56 = 30.8923277603000
x57 = -101.054563690000
x58 = 56.0250689890000
x59 = -54449.5602732000
x60 = 0.523598775598000
x61 = 19.3731546971000
x62 = 24.6091424531000
x63 = 87.4409955249000
x64 = -6.80678408278000
x65 = 12.0427718388000
x66 = -25.6563400043000
x67 = -19.3731546971000
x68 = -31.9395253115000
x69 = 82.2050077689000
x70 = 74.8746249106000
x71 = -75.9218224618000