### Home > CALC > Chapter 2 > Lesson 2.1.2 > Problem 2-28

2-28.

Set up an equation using the Trapezoidal Rule that will approximate the area under on

Notice the symmetry about the -axis. If we evaluate the trapezoidal sum on one side of the

*-axis, can we determine the trapezoidal sum on the other side of the*

*-axis?*