помогите с примером пожалуйста!
arcsin(sin(33п/7))+arccos(cos(46п/7))

arcsin(sin(4π+5π/7))+arccos(cos(6π+4π/7))==arcsin(sin(5π/7))+arccos(cos(4π/7))=arcsin(sin(-3π/14))+arccos(cos(-π/14))==arcsin(-sin3π/14)+arccos(cosπ/14)=-arcsin(sin3π/14)+arccosπ/14==-3π/14+π/14=-2π/14=-π/7