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Compound and Multiple Angles
Applied Mathematics · Chapter 4 · Unit 1: Sets and Functions
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Topics 4
- Addition and subtraction formulae for sin, cos, tan and cot; tan(A + B + C)
- Double, triple, half and one-third angle formulae: sin 2x, cos 2x, tan 2x, sin 3x, cos 3x, tan 3x
- Sum and difference to product formulae (sin C + sin D and others)
- Product to sum or difference formulae (2 sin A cos B and others)