arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2).A.-π/3 B.-π/6 C.2π/3 D.5π/6
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![arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2).A.-π/3 B.-π/6 C.2π/3 D.5π/6](/uploads/image/z/1043215-7-5.jpg?t=arcsin%EF%BC%88%E6%A0%B9%E5%8F%B72%2F2%EF%BC%89%2Barctan%28-1%29%2Barccos%28-%E6%A0%B9%E5%8F%B73%2F2%29.A.-%CF%80%2F3+B.-%CF%80%2F6+C.2%CF%80%2F3+D.5%CF%80%2F6)
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).A.-π/3 B.-π/6 C.2π/3 D.5π/6
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