Mathematics A-Level
tangents and secants
What tangents and secants means in Mathematics A-Level, as defined for WJEC.
Definition of tangents and secants
Check what you remember
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Reference: WJEC
A secant line cuts the curve twice, while a tangent line touches the curve at a point of contact.
Topics that use tangents and secants
- Algebra and Functions (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- algebraic division
- Asymptotes
- boundary curves
- Completing the square
- conjunction
- critical values
- curve sketching
- dashed and solid lines
Using tangents and secants in the exam
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