Mathematics A-Level
arc length
What arc length means in Mathematics A-Level, as defined for WJEC.
Definition of arc length
Check what you remember
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Reference: WJEC
Of a circle of radius r subtending angle θ, given by s = rθ.
Topics that use arc length
- 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
- mixed angle equations
- power reduction identities
Using arc length in the exam
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