Estimate S 11 cos(x2) dx using the Trapezoidal Rule and the Midpoint Rule, each with n = 4. (Round your answers to six decimal places.) (a) the Trapezoidal Rule (b) the Midpoint Rule From a graph of the integrand, decide whether your answers are underestimates or overestimates. OT4 is an underestimate O T4 is an overestimate OM4 is an underestimate OM4 is an overestimate What can you conclude about the true value of the integral? (Round your answers to six decimal places.)

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