This calculus video tutorial provides a basic introduction into trigonometric substitution. It explains when to substitute x with sin, cos, or sec. It also explains how to perform a change of variables using u-substitution integration techniques and how to use right triangle trigonometry with sohcahtoa to convert back from angles in the form of theta to an x variable. There's plenty of examples and practice problems in this lesson.
Full 1 Hour 10 Minute Video:
https://www.patreon.com/MathScienceTutor
Direct Link to The Full Video:
https://www.bit.ly/3zuP2s0
Integration - Free Formula Sheet:
https://bit.ly/3XCT6oz
__________________________________
Full 1 Hour 10 Minute Video:
https://www.youtube.com/watch?v=zgjYaOmNL90
Join The Membership Program:
https://bit.ly/46xaQTR
Integration Techniques:
https://www.video-tutor.net/integration-techniques.html