Mathematics A-Level
even and odd symmetry
What even and odd symmetry means in Mathematics A-Level, as defined for WJEC.
Definition of even and odd symmetry
Check what you remember
Read the wording for your board, then hide it and explain even and odd symmetry in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
cos(−x) = cos x is an even function, while sin(−x) = −sin x and tan(−x) = −tan x are odd functions.
Topics that use even and odd symmetry
- Trigonometry (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- area of a triangle
- CAST diagram
- cosine rule
- equation solving
- factorisation
- multiple-angle equations
- periodic solutions
- principal value
Using even and odd symmetry in the exam
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