20. [0/3 Points] DETAILS PREVIOUS ANSWERS SCALC9 7.XP.7.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specied value of n. (Round your answers to six decimal places.) 71/2 3V 2 + cos(x) dx, 1-: = 4 0 (a) the Trapezoidal Rule 113.308 X (b) the Midpoint Rule 109.055819 x (c) Simpson's Rule 109.9056 x Need Help? 21. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALC9 7.7.022.M|. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 1 How large should n be to guarantee that the Simpson's Rule approximation to/ 17ex2 dx is accurate to within 0.0001? n 2 38 x Need Help? 24. [1/3 Points] DETAILS PREVIOUS ANSWERS SCALC9 7.7.505.XP. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use (a) the Trapezoidal Rule, (b) the Midpoint Rule, and (c) Simpson's Rule to approximate the given integral with the specified value of n. (Round your answers to six decimal places.) 5 5 cos(3x) dx n = 4 1 X ' (a) the Trapezoidal Rule (b) the Midpoint Rule 0.027698 y (c) Simpson's Rule Need Help? _'_