1 0.841470984807897 0.54030230586814
2 0.909297426825682 -0.416146836547142
3 0.141120008059867 -0.989992496600445
0.5 0.479425538604203 0.877582561890373
2.5 0.598472144103957 -0.801143615546934
3.5 -0.35078322768962 -0.936456687290796