Sin2x + 5(cosx + sinx + 1) = 0

x1 = 199.491133503000 x2 = -1599.07066068000 x3 = 1399.57952717000 x4 = 801.106126665000 x5 = 2001.19452034000 x6 = 400.553063333000 x7 = -1800.13259051000 x8 = 1600.64145700000 x9 = -1000.59726017000 x10 = -1999.62372401000 x11 = -190.066355542000 x12 = 600.044196836000 x13 = -1.57079632679000 x14 = 1198.51759734000 x15 = 1800.13259051000 x16 = -600.044196836000 x17 = -398.982267006000 x18 = -799.535330339000 x19 = -1398.00873085000 x20 = 1003.73885282000 x21 = -1201.65919000000