Помогите!!!! cosx+sinx>
Sin(π/2-x)+sinx>√3/2 2sinπ/4cos(π/4-2x)>√3/2 √2cos(π/4-x)>√3/2 cos(π/4-x)>√6/4 sin(π/4+x)√6/4 arcsin(√6/4)+2πn<π/4+x<π-arcsin(√6/4)+2πn<br>arcsin(√6/4)-π/4+2πn<x<3π/4-arcsin(√6/4)+2πn,n∈z