Identity
What Identity means in Mathematics A-Level, as defined for AQA, OCR, Pearson Edexcel, WJEC.
Definitions of Identity
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Reference: WJEC
Holds true for every value within the domain of the variables, denoted by the triple-bar symbol ≡.
An equation that is true for all values of the variables for which both sides are defined.
An equation that is true for every value of the variable for which both sides are defined.
An equation that is true for all values of the variable for which both sides are defined.
Topics that use Identity
- E: Trigonometry (AQA A-Level)
- Trigonometry (OCR A-Level)
- Algebra and functions (Pearson Edexcel A-Level)
- Trigonometry (Pearson Edexcel A-Level)
- Overarching themes - Mathematical argument, language and proof (WJEC A-Level)
Related terms
Using Identity in the exam
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