Question

2sinx=√3

cos(x+π/3)=-1

Answer 1

2sinx=√3
sinx=√3/2
x=(-1)^n  π/3+πn n∈Z

cos(x+π/3)=-1
x+π/3 = π + 2πn n ∈ Z
x=2π/3 + 2πn  n∈Z