Approximate the definite integral using the trapezoidal rule for the given value of n. Give the result accurate to 3 decimal places. (a) π 0 sin(x) dx n = 6 1.954 Correct: Your answer is correct. (b) Find the upper bound for the absolute value of the error based on |f ''(x)| and Theorem 1. |ET| ≤ .044 Incorrect: Your answer is incorrect. (c) Find the exact value of the definite integral. Correct: Your answer is correct.