Question

П/3arccos√3/2
arcsin(-√3/2)


arcsin √2/2 + arccos 1/2
-arctg(-√3) + arctg 1/√3

Answer 1

π/3arccos√3/2=π/3*π/6=π²/18
arcsin(-√3/2)=-π/3
arcsin √2/2 + arccos 1/2=π/4+π/3=7π/12
-arctg(-√3) + arctg 1/√3=π/3+π/6=π/2