1)arcsin1+arccos1+arctg1+arcctg1=П/2+0+П/4+П/4=П
2)arccos0+arccos1+arccos(-1)=П/2+0+П=3П/2
3)arctg(-1)+arcctg(-1)=-П/4-П/4=-П/2
4)arcsin0+arcsin1+arcsin(-1)=0+П/2+3П/2=2П
arcsin1+arccos1+arctg1+arcctg1=Pi/2 +2Pi + Pi/4 +Pi/4=(2Pi+8Pi+2Pi)/4=12Pi/4=3Pi
arccos0+arccos1+arccos(-1)=Pi/2+2Pi+Pi=-Pi/2
arctg(-1)+arcctg(-1)=-Pi/4-Pi/4=0
arcsin0+arcsin1+arcsin(-1)=Pi+Pi/2-Pi/2=Pi
1)arcsin1+arccos1+arctg1+arcctg1=П/2+0+П/4+П/4=П
2)arccos0+arccos1+arccos(-1)=П/2+0+П=3П/2
3)arctg(-1)+arcctg(-1)=-П/4-П/4=-П/2
4)arcsin0+arcsin1+arcsin(-1)=0+П/2+3П/2=2П
arcsin1+arccos1+arctg1+arcctg1=Pi/2 +2Pi + Pi/4 +Pi/4=(2Pi+8Pi+2Pi)/4=12Pi/4=3Pi
arccos0+arccos1+arccos(-1)=Pi/2+2Pi+Pi=-Pi/2
arctg(-1)+arcctg(-1)=-Pi/4-Pi/4=0
arcsin0+arcsin1+arcsin(-1)=Pi+Pi/2-Pi/2=Pi