A simple pendulum [PEN-juh-luhm] is pulled back to a large angle less than 90\({}^{\circ}\), so that the small angle approximation is no longer valid for this situation. Which of the following statements is true about the period of oscillation of the pendulum?

W) It is independent of the amplitude

X) It is larger than the small angle approximation

Y) It is smaller than the small angle approximation

Z) It depends on the square root of the amplitude
X) IT IS LARGER THAN THE SMALL ANGLE APPROXIMATION