Using Trigonometric Substitutions Videos

Video 1: Substituting to simplify a square root: overview and choosing the correct trigonometric function

Video 2: Finding the correct coefficient to use in the substitution: examples with \( \sin \theta\)

Video 3: Finding the correct coefficient to use in the substitution: examples with \( \tan \theta\) and \( \sec \theta\)

Video 4: A problem similar to #1 on the homework

Printable version of this example

Video 5: The step with the right triangle

Video 6: Another example of the step with the right triangle