Mathematics A-Level
Domain and restrictions
What Domain and restrictions means in Mathematics A-Level, as defined for AQA.
Definition of Domain and restrictions
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Reference: AQA
Conditions such as cosθ ≠ 0 when using tanθ, which must be handled and stated explicitly in proofs.
Topics that use Domain and restrictions
- E: Trigonometry (AQA A-Level)
Related terms
- Algebraic manipulation
- Amplitude
- Asymptote
- Derivation and manipulation of identities
- Domain and range restrictions for functions
- exact trigonometric values
- Graphical behaviour including asymptotes and ranges
- harmonic form
Using Domain and restrictions in the exam
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