Mathematics A-Level
Exact values
What Exact values means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Exact values
Check what you remember
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Reference: Pearson Edexcel
Precise values of sin and cos at 0, π/6, π/4, π/3, π/2 and π, and of tan at 0, π/6, π/4, π/3 and π, allow work without a calculator.
Topics that use Exact values
- 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
- Fundamental trigonometric identities
- Geometrical proofs
Using Exact values in the exam
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