Instructional Video
Khan Academy: Trig Substitution: Integrals: Trig Substitution 3 (Long Problem) Instructional Video
Khan Academy

Khan Academy: Trig Substitution: Integrals: Trig Substitution 3 (Long Problem)

10th - 12th
This video provides an example of using trigonometric substitution (and trigonometric identities) to solve an integral.
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