余弦表(角度)
0
cos(2.0°) = cos(0.0349065850398866)= 0.999390827019096
cos(2.1°) = cos(0.0366519142918809)= 0.999328393778656
cos(2.2°) = cos(0.0383972435438753)= 0.999262916410621
cos(2.3°) = cos(0.0401425727958696)= 0.999194395114446
cos(2.4°) = cos(0.0418879020478639)= 0.999122830098858
cos(2.5°) = cos(0.0436332312998582)= 0.999048221581858
cos(2.6°) = cos(0.0453785605518526)= 0.998970569790715
cos(2.7°) = cos(0.0471238898038469)= 0.99888987496197
cos(2.8°) = cos(0.0488692190558412)= 0.998806137341434
cos(2.9°) = cos(0.0506145483078356)= 0.998719357184186
支持0°到360°范围内的数值计算，提供特殊角度标记（0°, 90°, 180°, 270°），可显示余弦波形图。支持导出计算结果为CSV格式。