Mathematics A-Level
exact value
What exact value means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of exact value
Check what you remember
Read the wording for your board, then hide it and explain exact value in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A value expressed without approximation, using integers, fractions and surds where appropriate.
Topics that use exact value
- Trigonometry (Pearson Edexcel A-Level)
Related terms
- Arcsin, arccos and arctan
- area of a triangle
- Asymptotes
- Domain
- Domains of reciprocal functions
- Equations involving multiples of the unknown angle
- Exact values
- Fundamental trigonometric identities
Using exact value in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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