El profesor se sorprenderá mucho al ver tu solución correcta😉
2 2*sin(x)*x + 3*cos (x) = 0
x1 = 59.7153663886519
x2 = -65.9961645440296
x3 = -87.9475428112508
x4 = -75.378330629834
x5 = 22.05888861463
x6 = -40.8773585554617
x7 = -56.5221450482764
x8 = 56.5221450482764
x9 = 87.9475428112508
x10 = 91.1226445696745
x11 = -28.3271635086186
x12 = -12.4472820844453
x13 = 69.0933371347731
x14 = 78.558904495309
x15 = -34.6008031300309
x16 = 72.2773769716412
x17 = -31.3681981346115
x18 = -62.807982096145
x19 = 75.378330629834
x20 = -91.1226445696745
x21 = -37.6593335817848
x22 = 53.4351281261662
x23 = 84.8406772424364
x24 = 15.8021859662322
x25 = -94.2318647850448
x26 = -72.2773769716412
x27 = -22.05888861463
x28 = -81.6630459931087
x29 = -78.558904495309
x30 = 31.3681981346115
x31 = 62.807982096145
x32 = 34.6008031300309
x33 = -59.7153663886519
x34 = -25.0730933752218
x35 = 25.0730933752218
x36 = 97.4047688759803
x37 = 81.6630459931087
x38 = -6.04654199140661
x39 = -47.155672567683
x40 = 9.57832111769089
x41 = -43.9481991197854
x42 = 103.687021659299
x43 = -69.0933371347731
x44 = 28.3271635086186
x45 = -18.7700616714803
x46 = 18.7700616714803
x47 = -3.51889434287343
x48 = -97.4047688759803
x49 = 100.516044692414
x50 = 50.2356453289667
x51 = -50.2356453289667
x52 = -100.516044692414
x53 = -84.8406772424364
x54 = -103.687021659299
x55 = -53.4351281261662
x56 = 40.8773585554617
x57 = 47.155672567683
x58 = 43.9481991197854
x59 = 94.2318647850448
x60 = -15.8021859662322
x61 = 65.9961645440296
x62 = 3.51889434287343
x63 = 6.04654199140661
x64 = 12.4472820844453
x65 = -9.57832111769089
x66 = 37.6593335817848
x66 = 37.6593335817848