E8: Proving Trigonometric Identities

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From the DfE Mathematics AS and A-Level Content (LINK):

How to Prove Trigonometric Identities

E8-01 Proving Trigonometric Identities: The Methods

Proving Trigonometric Identities

E8-02 Proving Trigonometric Identities: Example 1

E8-03 Proving Trigonometric Identities: Example 2

E8-04 Proving Trigonometric Identities: Example 3

E8-05 Proving Trigonometric Identities: Example 4

E8-06 Proving Trigonometric Identities: Example 5