Trigonometric Identities - Trigonometric Identities and Equations - Edexcel AS and A Level Maths

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Edexcel AS and A Level Maths. Trigonometric Identities. Pure Year 1 Chapter 10: Trigonometric Identities and Equations. Trigonometric Proofs. Contains a Trigonometric Identities Q.

Here's the second set of videos I recorded over Christmas. I'm not sure when I'll be able to get around to Chapter 11, although it does look quite short and uni work so far has been surprisingly quiet. Maybe compensating from all the coursework I was given over Christmas. But large chance it won't be up until Easter where I properly have some free time.
Also tested positive for Covid this morning so feel pretty awful writing and editing these videos. Hopefully better soon.

Timestamps:
00:00 2 identities you need to know
03:36 Proof of the 2 identities
05:25 Proof example 1
07:28 Proof example 2
10:27 Trigonometric Identities Q


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