Now find the zeros of 4 cos (\pi /6)>=0 over the interval [0,24]. what is the approximate the value of this zero rounded to the nearest whole number?

Question

what is the approximate the value of this zero rounded to the nearest whole number?

Answer 1

4 cos π/6 ≥ 0 ⇒ cos π/6 ≥ 0

cos π/6 = √3/2 ≥ 0