# 8. Integration Techniques

Provided formulas

### List of provided integrals (arbitrary constants omitted)

Remark: For most cases (i.e. in the event that the domain is uncertain), we use
$\displaystyle \int \frac{1}{x^2-a^2} \; \mathrm{d}x = \frac{1}{2a} \ln \left | \frac{x-a}{x+1} \right |$.

### Selected list of trigonometric identities

Formulas that are not provided

### Integration by Substitution

The following questions illustrate the key concepts needed in this topic. See if you can answer them.
Click on the title for detailed discussion of how to tackle them.
Click on or hover over the question to show the answer.