small-angle limits
What small-angle limits means in Mathematics A-Level, as defined for WJEC.
Definition of small-angle limits
Check what you remember
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Reference: WJEC
As h → 0 in radians, (sin h)/h → 1 and (cos h − 1)/h → 0.
Topics that use small-angle limits
- Differentiation (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- algebraic simplification
- Chain rule
- compound angle expansion
- concave curves
- connected rates of change
- convex curves
- differential equations formulation
- differentiation from first principles
Using small-angle limits in the exam
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