Trapezoidal Rule
( \newcommand{\kernel}{\mathrm{null}\,}\)
Visualize the Trapezoidal Rule
Move the slider to see the trapezoidal rule being used to approximate ∫41xcos(4x)dx=−0.1177... using the selected number of trapezoids.
Area ≈ 0.2496 + -0.2919 + 0.3193 + -0.3305 = -0.0535