arscos (-1/корень2) =

arcsin (-1) =

arccos корень3/2=

arccos1=

arccos (-3) =

arccos 0=

arccos (-1/2) =

arccos (-корень3/2) =

arccos 1/2=

arscos (-1/корень2) = arscos (-корень2/2) = + - 3pi/4+2pi*k

arcsin (-1) = - pi/2+2pi*k

arccos корень3/2=+-pi/6+2pik

arccos1=2pik

arccos (-3) = нет решений

arccos 0=+-pi/2+2pi*k

arccos (-1/2) = + - 2pi/3+2pi*k

arccos (-корень3/2) = + - 5pi/6+2pi*k

arccos 1/2=+-pi/3+2pi*k