余弦表(弧度)
18
cos(0.20) = cos(11°27'32") = 0.980066577841242
cos(0.21) = cos(12°01'55") = 0.978030914724148
cos(0.22) = cos(12°36'18") = 0.975897449330606
cos(0.23) = cos(13°10'40") = 0.973666395005375
cos(0.24) = cos(13°45'03") = 0.97133797485203
cos(0.25) = cos(14°19'26") = 0.968912421710645
cos(0.26) = cos(14°53'48") = 0.966389978134513
cos(0.27) = cos(15°28'11") = 0.963770896365891
cos(0.28) = cos(16°02'34") = 0.961055438310771
cos(0.29) = cos(16°36'56") = 0.958243875512697
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。