Solve $\displaystyle {\cos{{\left({x}\right)}}}=-{0.79}$ on $\displaystyle {0}\le{x}\lt{2}\pi$

There are two solutions, A and B, with A < B with A and B in radians to 4 decimal places.

A = Preview Question 6 Part 1 of 2  

B = Preview Question 6 Part 2 of 2  

Give your answers accurate to 3 decimal places