# Proving Identities

You should already be familiar with proving identities as this has been covered in earlier tutorials. For example, in the basic algebraic section where we looked at factorising, completing the square, expanding and simplifying. This was also looked at in the trigonometric section where we looked at proving identities.
The following video quickly recaps this method and also looks at other general proofs should have already met.

## Related Topics

2018-08-09T13:56:25+00:00
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