El profesor se sorprenderá mucho al ver tu solución correcta😉
sin(2*a) -------- = 0 2*cos(a)
sin2*a/2 = 0
a1 = 43.9822971502571
a2 = -97.3893722612836
a3 = -43.9822971502571
a4 = -72.2566310325652
a5 = -59.6902604182061
a6 = 81.6814089933346
a7 = -31.4159265358979
a8 = -78.5398163397448
a9 = 97.3893722612836
a10 = 9.42477796076938
a11 = -25.1327412287183
a12 = 84.8230016469244
a13 = -21.9911485751286
a14 = -94.2477796076938
a15 = 6.28318530717959
a16 = 3.14159265358979
a17 = -50.2654824574367
a18 = 28.2743338823081
a19 = -75.398223686155
a20 = -28.2743338823081
a21 = -56.5486677646163
a22 = -65.9734457253857
a23 = -40.8407044966673
a24 = -91.106186954104
a25 = 50.2654824574367
a26 = -69.1150383789755
a27 = -100.530964914873
a28 = 56.5486677646163
a29 = -62.8318530717959
a30 = -87.9645943005142
a31 = 40.8407044966673
a32 = 100.530964914873
a33 = 18.8495559215388
a34 = -267.035375555132
a35 = 62.8318530717959
a36 = -53.4070751110265
a37 = 94.2477796076938
a38 = -3.14159265358979
a39 = 21.9911485751286
a40 = 12.5663706143592
a41 = -84.8230016469244
a42 = 34.5575191894877
a43 = 47.1238898038469
a44 = -15.707963267949
a45 = 53.4070751110265
a46 = 65.9734457253857
a47 = 87.9645943005142
a48 = 91.106186954104
a49 = 59.6902604182061
a50 = 69.1150383789755
a51 = -232.477856365645
a52 = -6.28318530717959
a53 = 75.398223686155
a54 = -37.6991118430775
a55 = -12.5663706143592
a56 = -18.8495559215388
a57 = 31.4159265358979
a58 = -81.6814089933346
a59 = 78.5398163397448
a60 = 15.707963267949
a61 = 72.2566310325652
a62 = 37.6991118430775
a63 = -113.097335529233
a64 = 25.1327412287183
a65 = -47.1238898038469
a66 = 0.0
a67 = -9.42477796076938
a68 = -34.5575191894877
a68 = -34.5575191894877