arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2).A.-π/3 B.-π/6 C.2π/3 D.5π/6

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/15 17:57:25

arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2).A.-π/3 B.-π/6 C.2π/3 D.5π/6

arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2)
=π/4+(-π/4)+5π/6
=5π/6