How to prove trigonometric identities| Compound angle formulae| Double angle formulae #alevelmaths
How to prove trigonometric identities was the main objective of this lesson. The double angle formulae, the compound angle formulae and the square identity were used to verify trigonometric identities in this a level maths tutorial on verifying trigonometric identities. The left hand side of the trigonometric identities was proved to be identical to the right hand side.
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