余弦表(弧度)
18
cos(0.30) = cos(17°11'19") = 0.955336489125606
cos(0.31) = cos(17°45'42") = 0.952333569885713
cos(0.32) = cos(18°20'04") = 0.949235418082441
cos(0.33) = cos(18°54'27") = 0.946042343528387
cos(0.34) = cos(19°28'50") = 0.942754665528346
cos(0.35) = cos(20°03'12") = 0.939372712847379
cos(0.36) = cos(20°37'35") = 0.935896823677935
cos(0.37) = cos(21°11'57") = 0.932327345606034
cos(0.38) = cos(21°46'20") = 0.92866463557651
cos(0.39) = cos(22°20'43") = 0.924909059857313
支持0到2π（约6.28弧度）范围内的数值计算，提供相位移动计算、波形对比功能，可同时显示正弦与余弦波形对比图。支持导出结果为JSON格式供科研使用。