Trigonometry - Proving Identities
(based on the Factor formulae)
You will be expected to be able to prove a trig. identity such as the examples below. In the videos I show you how to set out an identity and what to look for.
This is a tricky topic and one that I find students give in too quickly. Learn your formulae and have patience.
Factor Formulae
Worked Solution to (3)
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