Solve equation for exact solution over interval 0 2pi 2cosx

Solve equation for exact solution over interval [0, 2pi)

2cosx - sqrt3 = 0

Solution/s must be exact.

Solution

2cos x-sqrt3=0

2cos x=sqrt3

cos x=sqrt3/2

taking inverse cosine on both sides

x=cos^-1(sqrt3/2) =pi/6 , 11 pi/6