Question

arcsin(-1/2)+arcsin√2/2-arcsin(-√3/2)

Answer 1

arcsin(-1/2)+arcsin√2/2-arcsin(-√3/2)= - П/6 + П/4 - (-П/3)=
= -П/6+П/4+П/3=(-2П+3П+4П)/12=5П/12