cos(π/12)cos(5π/12)=

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 07:12:30
cos(π/12)cos(5π/12)=

cos(π/12)cos(5π/12)=
cos(π/12)cos(5π/12)=

cos(π/12)cos(5π/12)=
cos(π/12)cos(5π/12)=0.25