Pressure measurements are taken at certain points behind an airfoil over time. The data best fits the curve y = 6 cos x – 1.5 sin x from x = 0 to 6s. Use four iterations of the golden-search method to...

Pressure measurements are taken at certain points behind an airfoil over time. The data best fits the curve y = 6 cos x – 1.5 sin x from x = 0 to 6s. Use four iterations of the golden-search method to find the minimum pressure. Set xl = 2 and xu = 4.