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

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