timate "7 cos(x2) dx using the Trapezoidal Rule and the Midpoint Rule, each with n = 4. (Round your answers to six decimal pl o ) the Trapezoidal Rule b) the Midpoint Rule om a graph of the integrand, decide whether your answers are underestimates or overestimates. O TA is an underestimate O TA is an overestimate O MA is an underestimate O MA is an overestimate What can you conclude about the true value of the integral? (Round your answers to six decimal places.)