Mathematics A-Level
Logical sequencing and justification
What Logical sequencing and justification means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Logical sequencing and justification
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Read the wording for your board, then hide it and explain Logical sequencing and justification in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Each step is justified by a named identity or algebraic operation, and the result being proved must not be assumed.
Topics that use Logical sequencing and justification
- 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 Logical sequencing and justification in the exam
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