Trignometric Identities

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The ones that aren't given in the formula book

Math

A-Level Mathematics

AQA

6 Terms

Sin2A

2SinACosA

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Cos2A

Cos²A - Sin²A

2Cos²A - 1

1 - 2sin²A

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Tan2A

(2TanA)

(1 - Tan²A)

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Sin²x + Cos²x =

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Sec²x =

Tan²x + 1

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Cosec²x =

1 + Cot²x

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