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Trigonometric Substitution

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More Lessons for Calculus Help

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Welcome to our collection of free Calculus lessons and videos.

Trigonometric Substitution - Example 1
Just a basic trigonometric substitution problem. I show the basic substitutions along with how to use the right triangle to get back to the original variable.
Trigonometric Substitution - Example 2
A complete example integrating an indefinite integral using a trigonometric substitution involving tangent.

Trigonometric Substitution - Example 3 / Part 1
A harder example of using a trig sub is shown! First, you have to complete the square!
Trigonometric Substitution - Example 3 / Part 2

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