Question

Select all angle measures for which cos 0 = 1/2

Answer 1

Explanation:

The equation cos θ = 1/2 has two solutions in the interval [0, 2π]:

θ = π/3 radians or 60 degrees

θ = 5π/3 radians or 300 degrees

These are the angles in which the cosine function takes on the value of 1/2.