Mathematics A-Level
cot(x)
What cot(x) means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of cot(x)
Check what you remember
Read the wording for your board, then hide it and explain cot(x) in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The cotangent function, defined as the reciprocal of the tangent function: cot(x) = 1/tan(x) = cos(x)/sin(x).
Topics that use cot(x)
- 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 cot(x) 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.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Mathematics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge