Skip to content

Dashboard Courses Past Papers Study plan

IGCSE & IAL revision

Sign in Practise

Maths — Pure 1

Course Tutor
Course Resources
Specification

Revision Notes
Flashcards
Underground Mathematics

Exam Questions
Saved questions
Past Papers
Practice Papers
Target Testroadmap

Syllabus coverage
Strengths & Weaknesses
Grade Boundaries

Maths — Pure 1

Every note, question and flashcard is written against the official specification and checked before it ships — anything not ready yet is marked as coming soon. How content is checked

SyllabAI Hub — revision for Edexcel IGCSE & IAL and Cambridge International qualifications.

Home/A-Level/Mathematics/Underground Mathematics/The great circle distance

The great circle distance

Bigger pictureDevelopingbeyond the specification map

Beyond the specification map. Spherical great-circle navigation — beyond P1 1.5. It is kept in the library for extra maths practice, not as specification-point coverage.

© University of Cambridge (Underground Mathematics); © UCLES / Oxford MAT / NRICH for sourced exam questions. Source: undergroundmathematics.org.

The great circle distance