Mathematics A-Level
mixed angle equations
What mixed angle equations means in Mathematics A-Level, as defined for WJEC.
Definition of mixed angle equations
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Reference: WJEC
Equations with mixed arguments, such as sin 2x = sin x, rewritten in a single angle x and factorised using double angle formulas.
Topics that use mixed angle equations
- Trigonometry (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- composite trigonometric arguments
- domain and range
- double angle formulas
- exact trigonometric values
- harmonic form
- inverse trigonometric functions
- power reduction identities
- quadratic approximations
Using mixed angle equations in the exam
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