sin(x) < cos(x)
sin(x) < cos(x)
/ / pi\ / 5*pi \\ Or|And|0 <= x, x < --|, And|x <= 2*pi, ---- < x|| \ \ 4 / \ 4 //
((0 <= x)∧(x < pi/4))∨((x <= 2*pi)∧(5*pi/4 < x))
pi 5*pi [0, --) U (----, 2*pi] 4 4
x in Union(Interval.Ropen(0, pi/4), Interval.Lopen(5*pi/4, 2*pi))