Хеелп! 2 sin(x/2 - П/4)=-1

Question

Хеелп! 2 sin(x/2 - П/4)=-1

Answer 1

Sin(x/2-π/4)=-1/2
x/2-π/4=(-1)^n+1 *π/6+πn
x/2=(-1)^n+1 *π/6+π/4+πn
x=(-1)^n+1 *π/3+π/2+2πn