solve the equation for 0 less than or equal to x less than 2 pie

Assuming you mean ( 0 <= x < 2Pi)

-2 Cos(x) + √3 = 0

-2 Cos(x) = - √3

Cos(x) = (-V3)/(-2) = √3/2

Can you get from there to the solution?

the possible results are x = Pi/6 , 11Pi/6

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