2弧度等于多少度怎么算

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select * from tbl_Articles WHERE ArticleID=1797877 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1797877 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1797877 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1092704,1090440,1109557,1128249,1042484,1071595,1059969,1077671,1119490,1128908,1119940,1050685,1076193,1125405,1104947,1089612,1044903,1103923,1045769,1103959,987401,1106882,1064819,1069105,1059781,1092696,1103242,1047273,1107633,1097679) ORDER BY field (ArticleID,1092704,1090440,1109557,1128249,1042484,1071595,1059969,1077671,1119490,1128908,1119940,1050685,1076193,1125405,1104947,1089612,1044903,1103923,1045769,1103959,987401,1106882,1064819,1069105,1059781,1092696,1103242,1047273,1107633,1097679)