余弦表(弧度)
18
cos(0.80) = cos(45°50'11") = 0.696706709347165
cos(0.81) = cos(46°24'34") = 0.689498432951747
cos(0.82) = cos(46°58'57") = 0.682221207287614
cos(0.83) = cos(47°33'19") = 0.674875760071267
cos(0.84) = cos(48°07'42") = 0.667462825841308
cos(0.85) = cos(48°42'05") = 0.659983145884982
cos(0.86) = cos(49°16'27") = 0.652437468164052
cos(0.87) = cos(49°50'50") = 0.644826547240001
cos(0.88) = cos(50°25'13") = 0.63715114419858
cos(0.89) = cos(50°59'35") = 0.629412026573697
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。