Solve the equation:2cos(x) +1 = 0for all values of . Select the correct set of solutions.Single choice
A
a. x = π/3, 5π/3
B
b. x = 2π/3, 4π/3
C
c. x = 5π/6, 7π/6
D
d. x = π/6, 11π/6
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