Use the trapezoidal rule with n = 10 to approximate the following integral. *20 7 cos(4πx) dx Compare your result to the actual value. trapezoidal rule actual value 0 Can you explain the discrepancy? Both values are equivalent. The trapezoidal rule samples only function values that are negative. The trapezoidal rule samples only function values that are positive. The trapezoidal rule samples only function values that are zero.

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