Instructional Video
Khan Academy

Khan Academy: Trig Substitution: Trig and U Substitution Together (Part 1)

9th - 10th
Students can watch a video to review trig and U substitution.
Instructional Video
Khan Academy

Khan Academy: Trig Substitution: Trig and U Substitution Together (Part 2)

10th - 12th
This Khan Academy video explores using u-subsitution to find the integral of a trigonometric problem.