sinxcosxΠ/4-cosxsinΠ/4=√3/2
sin(x-Π/4)=√3/2
x-Π/4=(-1)^n*arcsin(√3/2)+Πn, n€Z
x-Π/4=(-1)^n*Π/3+Πn, n€Z
x=(-1)^n*Π/3+Π/4+Πn, n€Z
sinxcosxΠ/4-cosxsinΠ/4=√3/2
sin(x-Π/4)=√3/2
x-Π/4=(-1)^n*arcsin(√3/2)+Πn, n€Z
x-Π/4=(-1)^n*Π/3+Πn, n€Z
x=(-1)^n*Π/3+Π/4+Πn, n€Z