sin(x)=sqrt(2*cos(x)-(1/4))

pi
x1 = —
3

x1 = -17.8023583703000

x2 = -30.3687289847000

x3 = -68.0678408278000

x4 = 1.04719755120000

x5 = 38.7463093943000

x6 = -74.3510261350000

x7 = -36.6519142919000

x8 = 101.578162466000

x9 = -11.5191730632000

x10 = -61.7846555206000

x11 = 82.7286065445000

x12 = -86.9173967493000

x13 = 13.6135681656000

x14 = 63.8790506230000

x15 = -80.6342114421000

x16 = 57.5958653158000

x17 = 7.33038285838000

x18 = 26.1799387799000

x19 = 76.4454212374000

x20 = -99.4837673637000

x21 = 32.4631240871000

x22 = -49.2182849062000

x23 = -42.9350995991000

x24 = 51.3126800086000

x25 = -24.0855436775000

x26 = 45.0294947015000

x27 = 95.2949771589000

x28 = -93.2005820565000

x29 = -5.23598775598000

x30 = 89.0117918517000

x31 = 19.8967534727000

x32 = -55.5014702134000

x33 = 70.1622359302000