If the function y = SiNx + √ 3cosx, one axis of symmetry of the image is

If the function y = SiNx + √ 3cosx, one axis of symmetry of the image is

y=sinx+√3cosx=2(½sinx+√3/2cosx)=2sin(x+π/3)
X + π / 3 = π / 2, that is, x = π / 6 is one of its symmetry axes